"Strive for a new era and celebrate a happy year", and the Spring Festival Gala in 2019 is about to kick off. On January 31st, CCTV held a press conference for the Spring Festival Gala in 2019, introducing the highlights of this year’s Spring Festival Gala program and a number of technological innovations and applications, and announced the host lineup of the Spring Festival Gala. Relevant leaders of Publicity Department of the Communist Party of China attended the conference, and the leaders of the Central Radio and Television General Station and the head of the creative team of the Spring Festival Evening introduced the relevant situation.

　　Ingenious creation to create a quality program for the Spring Festival Evening

　　CCTV Spring Festival Gala will accompany you for the New Year. As always, the Spring Festival Gala will bid farewell to the old year and welcome the new year with the audience accompanying the family reunion on New Year’s Eve. This year’s Spring Festival Gala is rich in program forms, with beautiful song and dance programs, majestic and magnificent, and wonderful magic acrobatics. Whether it’s the opening and the colorful flowers at zero o’clock, or the celebration of the whole world and the joy of all over the world in the three venues, a colorful and interesting artistic picture scroll has been laid out.

　　Language programs, which are most concerned by the society and loved by the audience, have also made new breakthroughs this year, showing gratifying results of new people coming forth in large numbers and full of jokes. In terms of subject matter, it is closely related to the hotspots of people’s livelihood and the atmosphere of the times. In the performance lineup, not only the comedian "running with the bulls", who was loved by the audience but rarely appeared on the stage of CCTV Spring Festival Evening, but also the major comedy teams from all over the country gathered together for a "lively and happy reunion".

　　Song and dance programs also usher in the most powerful performance lineup. The younger generation of "dream catchers" who strive for happiness and achieve the future with hard work will be full of youthful vitality and positive sunshine, and will sing the Spring Festival Evening stage.

△2019 Spring Festival Evening host lineup announced

　　The long-awaited host lineup of the 2019 Spring Festival Evening was also announced at the press conference. Kang Hui, Zhu Xun, Ren Luyu, Li Sisi and Nigmat will be the hosts of the main venue in Beijing, and the Jinggangshan branch venue in Jiangxi will be co-hosted by Zhang Yu, the host of the Central Radio and Television Station, and Yin Song, the host of Jiangxi Radio and Television Station. Jilin Changchun Branch will be co-chaired by Zhang Zequn, the host of Central Radio and Television Station, and john young, the host of Jilin Radio and Television Station; John young, the host of China Central Radio and Television Station, and Pang Wei, the host of Shenzhen Satellite TV, will co-chair the Guangdong Shenzhen Branch.

△ Jeikiy, member and deputy editor-in-chief of CCTV Branch of the Central Radio and Television General Station, introduced the preparations for the 2019 Spring Festival Gala.

　　Jeikiy, a member of the party group and deputy editor-in-chief of CCTV General Radio and Television Station, said when introducing the preparations for the 2019 Spring Festival Gala: "This year’s Spring Festival Gala will adhere to integrity and innovation in all aspects from the scale of the party to the programming, from the cast to the theme content, and persist in carrying forward the main theme and delivering positive energy. I believe it will present the audience with a New Year carnival full of laughter and artistic essence."

　　Breakthrough in technological innovation presents unprecedented audio-visual effects.

　　Jiang Wenbo, a member of the CCTV branch of the Central Radio and Television General Station, introduced at the press conference: "The technical team of the Spring Festival Evening in 2019 has been pursuing the application of the latest technology and the most advanced equipment to the production of the Spring Festival Evening program in 2019, in order to create better program services." It can be said that one of the biggest highlights of this year’s Spring Festival Gala is all-round technology drive and technological innovation.

△ Jiang Wenbo, a member of the CCTV branch of the Central Radio and Television General Station, introduced the key technological innovation and application of the Spring Festival Evening in 2019.

　　The creative team of the Spring Festival Evening actively carried out the instruction spirit of the Supreme Leader General Secretary that "the mainstream media must keep up with the times, boldly use new technologies, new mechanisms and new models, accelerate the pace of integration and development, and maximize and optimize the publicity effect", and made technological innovations in 4K, 5G, VR, AR, AI and other aspects, which really brought a perfect combination of art and technology to the Spring Festival Evening. Jeikiy, member and deputy editor-in-chief of the CCTV branch of the Central Radio and Television General Station, said: "This is a powerful connection between technological innovation and artistic innovation on the human cultural and artistic corridor, and it is also an important innovation in the history of the Spring Festival Evening."

　　This year, the Spring Festival Evening will be broadcast live on 4K Ultra HD channel for the first time, and 5.1 surround sound will be used throughout. If users watch the Spring Festival Evening program through the 4K Ultra HD Channel (CCTV-4K) of the Central Radio and Television General Station and configure 4K Ultra HD images +5.1 surround sound, they can bring higher definition, wider color gamut and higher dynamic range video and surround sound audio experience, and they can enjoy the audio-visual effect of the cinema at home.

　　Under the background of the latest and most advanced development trend of mobile communication, the rapid development of 5G network, China Central Radio and Television General Station signed a framework agreement for the cooperation and construction of 5G new media platform with China Telecom, China Mobile, China Unicom and Huawei at the end of 2018, creating China’s first national-level 5G new media platform, and this 5G network has also been tested and applied in the content transmission of the Spring Festival Evening Branch. On January 13th, the 4K TV transmission test of 5G network was successfully carried out in Shenzhen Branch of the Spring Festival Evening. On New Year’s Eve, two 4K seats based on 5G network will be included in the production system of Shenzhen Branch for the 4K TV live broadcast of the Spring Festival Evening. On January 28th, the real-time transmission of 5G network VR was successfully carried out in Changchun Branch. Users can see the ultra-high-definition VR panoramic signal transmitted through the 5G network in the live broadcast of CCTV news’s media-integrated program "I want to watch the Spring Festival Evening", which is the first time that the 5G network and VR production technology are combined in the live broadcast of TV media-integrated programs. These innovations will bring a refreshing and exciting audio-visual experience to the Spring Festival Evening in 2019.

　　In addition, the technology of this year’s Spring Festival Gala has achieved many breakthroughs. Intelligent speech recognition subtitle production technology was applied for the first time in the Spring Festival Evening. For the first time, 4K Ultra HD AR online packaging technology was used; Fully use a number of special equipment such as Aquila and drones for shooting; Using 4K ultra-high definition main screen and a large number of ice screens in the studio hall No.1 of the main venue will bring fantastic stage effects to the Spring Festival Evening.

　　During the Chinese New Year, the CCTV Square Building and CCTV Tower in Fuxing Road Office of the Central Radio and Television General Station will be launched to "celebrate the new era of China!" The light show with the theme of "CCTV Spring Festival Evening with you at the Central Radio and Television General Station" presents a solemn, festive and shocking three-dimensional effect, creating a festive and strong festive atmosphere.

　　Integrate and spread the whole media to feel the charm of the Spring Festival Evening.

　　This year’s Spring Festival Evening is the first Spring Festival Evening after the establishment of the Central Radio and Television General Station. On the one hand, the Spring Festival Evening communication will be based on the all-media resources of the Central Radio and Television General Station, and multi-platform cooperation will realize the multi-mode, multi-terminal, three-dimensional and full-coverage communication of the Spring Festival Evening. On the other hand, in order to accelerate the development of media integration, this year’s Spring Festival Evening will also actively innovate and develop the content and communication style of media integration, showing the characteristics of multi-screen interaction of media integration.

△ Wang Xiaozhen, director of the CCTV editorial office of the Central Radio and Television General Station, released the all-media communication plan for this Spring Festival Evening.

　　On New Year’s Eve, CCTV comprehensive channel, variety channel, Chinese international channel, military agricultural channel, children’s channel and 4K ultra-high-definition channel will broadcast live the Spring Festival Evening in parallel, and CCTV multi-platform, CCTV audio-visual client, CCTV news client and CCTV news mobile network will also broadcast live simultaneously around the world. In terms of broadcasting, Yangguang China Communications Broadcasting will broadcast the Spring Festival Evening in full synchronization with audio. The voice of China, the voice of literature and art, and the global Chinese information of Guoguang will be inserted into the special program of New Year’s Eve.

　　During the live broadcast of the Spring Festival Evening, CCTV News and CCTV will edit and package the Spring Festival Evening programs and highlights in real time with the broadcast process, and release them on the mobile terminal in the form of short videos. Users can not only participate in the online red envelope grabbing interaction during the live broadcast, but also review short videos at various mobile terminals and forward them to friends and relatives. After the broadcast of the Spring Festival Evening, the main station will launch nearly 50 short video contents of "micro-variety" and "micro-documentary" with the brand of the Spring Festival Evening as the core, introduce the front and back scenes of the Spring Festival Evening, and invite the actors of the Spring Festival Evening to pay a New Year call to the audience. After the broadcast of the Spring Festival Evening, the Spring Festival Evening team and CCTV news new media will also launch a small video to reveal the magic, acrobatics, dance, lighting and special effects of the Spring Festival Evening, so as to satisfy the audience’s curiosity before and after the Spring Festival Evening.

△ Wang Qiang, Deputy Director of Publicity Department of the Communist Party of China Literature and Art Bureau, spoke at the press conference.

　　In the Spring Festival Evening of 2019, we will always adhere to the program keynote of "Happy, Auspicious and Happy", always take the satisfaction of the people as the greatest goal, always adhere to the creative concept of innovation and openness, and make every effort to achieve cross-screen gala.

　　I believe that the Spring Festival Evening in 2019 will definitely bring you new and wonderful memories.

　　On April 25th, General Secretary of the Supreme Leader, who was investigating in Guangxi, came to Di Yang Wharf of Lijiang River in Yangshuo County, Guilin City to listen to the report on the comprehensive management and ecological protection of Lijiang River basin.

　　"In the face of unprecedented difficulties in global environmental governance, the international community should take responsibility and work together to build a community of human and natural life with unprecedented ambition and action." A few days ago, president’s supreme leader pointed out this when attending the leaders’ climate summit in Beijing by video.

　　On the evening of April 22nd, at the invitation of US President Biden, the Supreme Leader of president attended the Leaders’ Climate Summit by video and delivered an important speech entitled "Building a Community of Man and Nature together".

　　No matter at home or abroad, the Supreme Leader General Secretary has repeatedly stood at the height of global ecological civilization construction, advocated building a community of human and natural life together, and constantly contributed China wisdom and China’s strength to creating a new pattern of global environmental governance.

　　Promoting the construction of ecological civilization in the largest developing country "will have a worldwide impact".

　　"The river is a green ribbon, and the mountains are like jasper." The general secretary of the supreme leader has always been concerned about the protection and comprehensive management of the ecological environment in the Lijiang River Basin.

　　"When I was a teenager, I had been to the Lijiang River with several classmates. I remember that after swimming, clothes were dried on the banks of Lijiang River. At that time, the river was blue, and the floodlight bottomed out. " During the National People’s Congress in March 2010, the Supreme Leader recalled the unforgettable experience of visiting the Lijiang River as a teenager.

　　Later, the Lijiang River was once seriously polluted, even the water level dropped, and it was only after unremitting governance that it was restored. The general secretary told us that the Lijiang River is not only the Lijiang River of Guangxi people, but also the Lijiang River of the people of the whole country and the whole world, and it is also a natural heritage shared by all mankind. We must take care of the Lijiang River and protect it scientifically.

　　From the Yangtze River to the Yellow River, from the Lijiang River to the Wujiang River, from Dianchi Lake to Erhai Lake, from Hulun Lake to Dongting Lake, from Qilian Mountain to Qinling Mountain, from Helan Mountain to Wuyishan … … The ecological changes in China reflect the historic, turning and overall changes in China’s ecological environment protection.

　　As a participant, contributor and leader of global ecological civilization construction, China has made unremitting efforts to build a community of human and natural life with practical actions. "Promoting the construction of ecological civilization in our largest developing country with a population of more than 1.3 billion and building a prosperous, strong, democratic, civilized, harmonious and beautiful socialist modern power will have a worldwide impact." In May 2018, General Secretary of the Supreme Leader pointed out at the National Ecological Environmental Protection Conference.

　　Nowadays, China has incorporated the concept and construction of ecological civilization into the overall layout of Socialism with Chinese characteristics, and adhered to the development path of ecological priority, green and low carbon. China’s announcement that it will strive to achieve peak carbon dioxide emissions by 2030 and carbon neutrality by 2060 is a major strategic decision based on promoting the building of a community of human destiny and achieving sustainable development, which requires China’s hard work.

　　"Explore the synergy between environmental protection and economic development, job creation and poverty eradication"

　　During this inspection, the local responsible comrades told the General Secretary that in recent years, Guilin has vigorously promoted the "chaos control, water control, mountain control and root cause" of the Lijiang River, and comprehensively cleaned up and rectified quarries and illegal sand mining. The supreme leader pointed out that the worst thing is quarrying. Destroy a mountain and there will never be such a mountain. China and the whole world are such a treasure, so don’t destroy it.

　　For quarrying, General Secretary of the Supreme Leader is deeply touched.

　　In the 1990s, Yucun in Anji, Zhejiang Province became the richest village in Anji by blasting mountains for mining and building cement plants, at the cost of "villagers dare not open windows, and even bamboo shoots are not long on the mountains". In August 2005, the Supreme Leader came to the village and heard that Yucun had changed from "selling stones" to "selling scenery", which was quite touching. During this inspection, the Supreme Leader clearly put forward the "Lucid waters and lush mountains are invaluable assets" for the first time, stressing that economic growth should not be promoted at the expense of the environment.

　　Anji Yucun is a representative of the "Thousand Villages Demonstration and Ten Thousand Villages Renovation" project personally promoted by the Supreme Leader during his work in Zhejiang. In 2018, the "Thousand Villages Demonstration and Ten Thousand Villages Renovation" project won the "Guardian of the Earth Award", the highest environmental honor of the United Nations. In the award speech, it was commented: "This extremely successful ecological restoration project shows that bringing environmental protection and economic development together will produce transformative forces."

　　"Explore the synergy between protecting the environment and developing the economy, creating jobs and eradicating poverty, strive to achieve social fairness and justice in the process of green transformation, and increase people’s sense of gain, happiness and security in all countries." Chairman Supreme Leader’s speech at the Leaders’ Climate Summit reached the hearts of the people.

　　"Leave a clean and beautiful world to future generations"

　　"All countries should establish a new development concept of innovation, coordination, green, openness and sharing, seize the historic opportunity of a new round of scientific and technological revolution and industrial transformation, and promote the post-epidemic world economy ‘ Green recovery ’ , bringing together a strong synergy for sustainable development. " In September, 2020, the Supreme Leader’s speech at the general debate of the 75th United Nations General Assembly pointed out the direction for global environmental governance.

　　"The construction of ecological civilization is related to the future of mankind. Building a green home is the common dream of mankind. Protecting the ecological environment and coping with climate change require the concerted efforts of all countries in the world. No country can stay out of it and be immune to it." Adhering to the concept of "teaching people to fish" and through pragmatic and efficient cooperation, China has done its best to help developing countries improve their ability to cope with climate change and achieved fruitful results. From climate remote sensing satellites in Africa to low-carbon demonstration zones in Southeast Asia to energy-saving lamps in small island countries, China’s South-South cooperation on climate change is tangible and effective.

　　Human beings are a community of destiny, and protecting the ecological environment is a common challenge and responsibility facing the whole world. Regarding the construction of ecological civilization, General Secretary of the Supreme Leader has always stressed the need to "calculate the big account, calculate the long-term account, calculate the overall account and calculate the comprehensive account" and "work for the overall situation and future generations".

　　"I firmly believe that as long as we think in one place and work hard in one place, mankind will be able to cope with the global climate and environmental challenges and leave a clean and beautiful world to future generations." The powerful words of the General Secretary have condensed confidence and strength for global environmental governance at key nodes.

Special feature of 1905 film network After the series "Sauvignon Blanc" was launched, it broke the record of the highest heat value in the station in 2023 with the fastest speed.Perhaps, at the moment when the platform record is constantly being broken, it is not urgent to give feedback in the first week to prove whether a drama is really "explosive".

Just from the current market feedback, the performance of "Sauvignon Blanc" is from the content of the series, the role itself to the actors, and it is multi-dimensional on the hot search list. To a large extent, the original author Tong Hua personally wrote the script, which shows that the "mother" went into battle and provided the original blessing protection for the work.

Just after entering the film and television, how to make the characters and plots more prominent while ensuring the original flavor of the story?

Zhen Qin, the general director, said frankly in an interview with 1905 Film Network, "Before shooting, the producer and I agreed that we should make a more realistic new costume. Although the story is mythical, it should become a more grounded story."

In addition, Zhen Qin has only one standard for actors, "appropriate". She told us that "almost every actor has submitted a biography of their understanding of this role." When she finished reading the "homework" handed in by everyone, "everyone gave me different surprises".

When the creation began, the story of Sauvignon Blanc was opened in another way.

01. Creation guarantee is implemented

Before contacting the script, Zhen Qin finished reading three original novels. "They have done scripts for many years before, and the content is very complete." The script is still promoted according to the framework of the novel. "It’s just that we will explain the pre-story history in the first episode."

It is the pre-historical setting of the first episode that laid a solid emotional foundation for the story of Sauvignon Blanc.

It abandons the appeal of stars and presents the whole story with small actors, so that the audience can better cut into the role and provide an empathetic basis for the emotions behind. In the past drama market, there were occasional creative forms like this. It was a challenge for producers to weaken the appeal of stars, but it was a valuable creation for the integrity of the story.

After all, for the story development, the emotional development among many characters needs more convincing promotion and emotional logic, at least for the content currently broadcast in Sauvignon Blanc, this task has been completed.

Entering the preparatory period of shooting, Zhen Qin and the team are facing the biggest problem, "How do we make the famous scenes taste what the novel should have?"

To this end, the team deliberately made various preparations from all aspects, from art scenes to actors’ costumes, and even the emotions of actors. "We will have some designs and considerations in advance." Most of the famous scenes in the novel are written descriptions, which, combined with the readers’ imagination, present the artistic conception to everyone’s private picture.

Only when the film and television are visualized, especially those artistic images, "I will communicate with the photographer in advance to make him ready in advance, and make some different changes in the lighting set."

Moreover, Zhen Qin and the producers agreed to build a clear water town for Sauvignon Blanc.Although the story of "Sauvignon Blanc" spans the three realms of man, god and demon, for Zhen Qin, "it is still necessary to implement everything as much as possible."

"We visited a lot of venues in Hengdian, and none of them were Qingshui Town in my heart." More than ten episodes of "Sauvignon Blanc" took place in Qingshui Town, which is a place that Xiaoyao still misses after becoming Ji Wang. "It is a very natural, simple and smoky place."

In order to visualize this, Zhen Qin and the team presented Clearwater very vividly according to the script. The geographical location of each scene is arranged to ensure that the audience can feel the body when watching as much as possible, and at the same time, it can meet all the shooting needs.

02. The heroine is the key to the drama.

"Sauvignon Blanc" is a drama series with the growth of the heroine as the main line. It is conceivable that the choice of the heroine is the key.

In the cooperation with Andy, Zhen Qin found that "she is a talented actress and loves acting very much." Facts have proved the director’s cognition. "From the beginning of contact, Andy took the script very seriously and used her as a super actor’s perception to grasp every scene."

Andy is divided into two corners, one is a real little Yao, and the other is a small six. The nature of the two roles is completely different, so the whole setting requires the actors to constantly adjust the state of the matching roles.

It’s not uncommon to decorate two corners with one ornament in the theme of ancient dolls, but this time it’s not easy. "The role of Xiao Liu is a man, not a man disguised as a woman." Fortunately, in order to find a suitable degree, Andy and the director "adjusted a scene, and let her perform it for the first time. After communication, the second time will be natural."

Not only that, the director also made a lot of assistance for Andy from the makeup, and made her look more playful from the modeling, covering up the curvaceous beauty of women with loose clothes such as radish pants. Andy even offered to make the makeup look darker and closer to the makeup of other male characters around him.

Only after 14 episodes, Xiao Liu recovered herself and returned to Xiao Yao’s state, Andy did not directly present the female role, but gradually changed from inadaptability to complete femininity in action and personality, and realized the transformation.

In the early communication, Andy made a lot of his own interpretations of this role, and these interpretations happened to point to the director’s ideas. In Zhen Qin’s view, whether it’s Xiao Liu, who is optimistic and lively, or Wang Ji Xiaoyao, who has a more sense of mission, "their background color is compassionate".

This is also the place where she found it difficult to shoot this series after reading the novel "Sauvignon Blanc", which is also the temperament of "Sauvignon Blanc". It’s just that temperament is difficult to grasp, but fortunately, whether it’s the shooting process or the later editing stage, Zhen Qin is very at ease. "Andy has completed the feeling in my mind."

03. The charm of male roles

In "Sauvignon Blanc", the three male characters and the female host have more or less fetters. Although the novel finally gives the final official match, in the hearts of book fans, each pair of cp is worth pursuing.

"Our people are very extreme, everyone is not perfect, and they all have their own shackles. But I think everyone is very real, so how to make the audience believe that they are real and understand their feelings and positions is what we value more. " Therefore, the casting of the team becomes more difficult.

Xie Da (ornaments) is extremely ambitious, and he is entangled and forbearing from his proton identity to his family and country. In the novel, Daida once said to Xiaoyao, "Every time I get married, I forbid you to say’ congratulations’, let alone send a gift." This sentence has also become the most touching Zhen Qin’s words. "In fact, it is very forbearing, and ultimately love is not allowed."

Although in the previous story, the story line of Xianda was not clear, and the behavior of the character was not pleasing, but as the story slowly opened, "everyone will like Xianda." In Zhen Qin’s view, Zhang Wanyi is an actor with great personality charm. "He has his own expression. In him, I think there is a temperament similar to that of a tortoise."

On the contrary, as an official match, the feelings between Tu Shanjing (ornaments) and Xiao Yao are more detailed. "Xiao Yao and his feelings are not always smooth sailing." When describing their drama, Zhen Qin used many metaphors to show their changes, especially from the long time when they met for treatment, and then to the early stage when Tu Shanying realized the other’s daughter’s body. "They all slowly changed slightly inside."

When casting for Tu Shanying, after Zhen Qin met Deng Wei, "I think he has the breezy temperament of Tu Shanying more than other boys. Deng Wei himself is a very simple and sincere person."

After the novel was published, phase liu (decorated) had many fans, and even Zhen Qin lamented, "phase liu has an artificial ceiling, which is difficult to present." Moreover, the description of phase liu in the novel is more of a temperament than a more practical description, which also leads to the fact that every book fan has his own phase liu in his heart.

Not only that, phase liu also has a double role, Fangfeng Tai. The two roles are cold and hot, which is a challenge for the actors.

In the end, the team chose JC-T to play this role. "He is very different from the role, but he has a strong sense of faith in his performance." Zhen Qin and JC-T had a deep talk about this character, and she found that the actor in front of her had a deep understanding of the role.

"He hopes that this kind of cold will not appear as facial paralysis. He tries to interpret the cold of phase liu and the heat of windproof in his own way." Because phase liu is a cold-hearted person, Fangfengtai, as a member, is a dude’s setting. On the surface, he looks lively, but his heart is still cold.

04. I hope the audience can really empathize.

In any case, just from the popularity of the broadcast platform, or the number of hot searches on the list, or the number of praises on the short video platform, Sauvignon Blanc has good results and feedback, just looking at the summer file, and it has its own unique style.

Zhen Qin admits that each play has its own characteristics. The reason why he wants to make Sauvignon Blanc a realistic new costume is, to a large extent, "whether I read a script or a novel, I feel that every character is very grounded and practical, and there is always a kind of temperament."

But it doesn’t mean to be realistic, and it will become a reality completely. After all, Sauvignon Blanc involves many spell settings. "We should burn, be young, but we should pursue reality, so our action plays pay attention to the combination of reality and reality."

Even as far as possible, in order to make the scenes on the seabed in the later stage of the series realistic, before starting, Zhen Qin and the photography team kept experimenting to simulate the buoyancy feeling of people on the seabed and the light and shadow effect. "We tried to shoot for a while, and then used the post-synthesis to see the effect. After finding the accurate mode, we began to invest in all-round shooting."

Back to the story itself, "I think each character in Sauvignon Blanc is to depict a different life in reality." Whether it is affection, friendship, or abusive and sweet love, the audience can get empathy from it.

　　Cctv newsAccording to China Weather Network, the Central Meteorological Observatory continued to issue a typhoon blue warning at 06: 00 on July 23:

　　The center of this year’s No.6 typhoon "Fireworks" (strong typhoon level) is located at 5 o’clock this morning (23rd) in the northwest Pacific Ocean about 660 kilometers southeast of Wenling, Zhejiang Province, which is 23.7 degrees north latitude and 125.5 degrees east longitude. The maximum wind force near the center is 14 (42m/s), the lowest pressure in the center is 955 hectopascals, and the radius of the seven-level wind circle is 220-300 kilometers.

　　It is estimated that "Fireworks" will move to the north-north direction at a speed of 5-10 kilometers per hour, and its intensity will gradually increase. The strongest one can reach a super typhoon level (16, 52-55 meters per second). It will move into the southeast of the East China Sea at night on the 23rd, then turn to the northwest, and gradually approach the coastal areas from northern Zhejiang to northern Fujian, and will land in the above coastal areas during the day on the 25th (typhoon level or strong typhoon level, 13. At present, it is impossible to completely rule out the possibility of going northward in the offshore waters of Zhejiang.

　　Gale forecast: From 08: 00 on the 23rd to 08: 00 on the 24th, there will be 6-8 winds and gusts of 9-10 in the Taiwan Province Strait, east of bashi channel, Taiwan Province, the East China Sea and the waters near Diaoyu Island, the southern part of the Yellow Sea, the Yangtze River estuary, Hangzhou Bay, Shanghai coast, southern Jiangsu coast, Zhejiang coast, north-central Fujian coast and Taiwan Province island coast, among which the northeastern coast of Zhejiang, the southeastern part of the East China Sea and some waters east of Taiwan Province.

　　Precipitation forecast: From 08: 00 on the 23rd to 08: 00 on the 24th, there will be heavy rainstorms in most parts of central and eastern Zhejiang and Taiwan Province Island, and heavy rainstorms in northern and central Taiwan Province Island, with heavy rainstorms (250-300mm) in parts of northern Taiwan Province Island.

　　Defense guide:

　　1. The government and relevant departments shall, in accordance with their duties, do a good job in typhoon prevention and emergency rescue.

　　2. Water operations and passing ships in relevant waters should return to Hong Kong to take shelter from the wind, strengthen port facilities, and prevent ships from anchoring, grounding and collision.

　　3. Stop large-scale indoor and outdoor gatherings and dangerous outdoor operations such as high altitude.

　　4. Reinforce or dismantle structures that are easy to be blown by the wind. Personnel should not go out at will. They should stay in windproof and safe places as far as possible, so as to ensure that the elderly and children stay in the safest place at home, and the dangerous people will be transferred in time. When the typhoon center passes by, the wind will decrease or stay still for a period of time. Remember that the strong wind will suddenly blow, and you should continue to stay in a safe place to avoid the wind, and the dangerous people will be transferred in time.

　　5. Relevant areas should pay attention to prevent flash floods and geological disasters that may be caused by heavy precipitation.

　　【Chexun. com reported】 What is exam-oriented education? Educational thoughts and educational behaviors aimed at coping with entrance examination test test students’ academic level by the rate of entrance examination. So, what about the design, workmanship and exam-oriented education of vehicles? Why did the editor make such an evaluation? Take it easy, let’s take our time.

　　Points are the lifeblood of students; I believe that anyone will have a deep feeling about this. No matter what personal ability, everything depends on the hero of exam scores. A high score is a "good student" and a failure is a "bad student". Bump, the lifeblood of a car; For automobile products, it is also facing the test of various crash tests. If a model with outstanding appearance performance but low crash score is placed in front of you, it is estimated that it will not be purchased. Getting a high C-NCAP collision score in China is like getting a diploma from a famous university, so it’s no wonder that those who get an overseas NCAP diploma are complacent. Naturally, parents are also full of face and confidence. But exams are dead, and people are alive. Some parents will be "smart" to teach their children how to cope with the exam content. Next, we will learn what the new Sylphy students have learned under the guidance of "parents". Has morality, intelligence, physique, beauty and labor been fully developed?

　　Bumper structure score before vehicle protection: 6 points

　　The new Xuanyi bumper structure is composed of bumper skin, low-speed cushioning foam and metal bumper iron with energy-absorbing box, which is made of iron. Aside from the boring data, the quality of the bar iron can not be distinguished from the thickness, which is also directly related to the structure and material. Generally, our common bumper is made of iron. Considering the lightweight design, the models will be made of aluminum alloy, and the structural design of bar iron is mostly bow-shaped. We can clearly see that the front joint of the bumper has rusted, but it will not affect its function.

　　The energy-absorbing box is also a good companion of bumper iron. At present, most of the dismantled models will have energy-absorbing boxes behind bumper iron. The function of energy-absorbing box is unusual. In the actual collision, it is mainly folded and absorbed by this component to transfer collision energy. To maximize the protection of the body rail and other important components. Bumpers and energy-absorbing boxes are like the muscle tissue of human body, and they hit the muscular man and the sparerib man equally. If the ribs of the sparerib man are broken, the muscular man may be safe. When the strength is too great for the anti-collision beam and energy-absorbing box to bear, it is necessary to rely on the structural strength of the car body to resist. When it is hit by a large force, the role of the bumper is only 10%. The most solid part is the car skeleton, like the human skeleton. As for the new sylphy skeleton, we will introduce it later.

　　Careful netizens will find a problem. Is it strange to connect the energy-absorbing box? The following picture of the new sylphy bar iron is the new sagitar bumper structure. Observing that there is no gap between the energy-absorbing box and the flange, it is a face-to-face connection, while the new sylphy adopts a point-to-point connection. At this time, a question arises in the editor’s mind. For a single bar iron structure, if this connection mode collides, will it cause the energy-absorbing box and the flange to fall off, thus affecting the energy-absorbing effect?

　　FAW-Volkswagen new sagitar bumper iron

　　Just now we mentioned the problem of collision force transmission, and we will continue to consolidate this concept here. The front is impacted, and the front bumper distributes the force to the energy-absorbing boxes on both sides, and then transmits it to the left and right front side rails, and then to the vehicle body. The front longitudinal beam is the only medium between the bumper and the middle of the car body. In order to ensure the uniform dispersion of the force, the size and strength of the common left and right front longitudinal beams are designed to be the same. But have you ever heard that the left and right longitudinal beams are not as thick as each other? Don’t be surprised, the new sylphy is!

　　The width of the left longitudinal beam of XinXuanYi is 58mm, and the width of the right longitudinal beam is 40mm. Why is the difference so wide? Is it the design requirement or something else? Before the analysis, let’s get familiar with the test items of C-NCAP. C-NCAP mainly tests the frontal collision test of 100% overlapping rigid barrier, frontal collision of 40% overlapping deformable barrier (driver’s side) and lateral collision test of deformable moving barrier. Does the red font attract your attention? The position of 40% offset collision is the driver’s side, that is, the left side. Can we think that the left longitudinal beam is designed to be wider because of the greatest impact force in the event of collision, and the right longitudinal beam is not in the scope of examination, which can save materials? If the 40% offset collision is increased on the right side, what about the performance of the new Sylphy? This problem can only be explained by the manufacturer.

　　Editor’s summary: The structural design of the front bumper is special in that the energy-absorbing box is connected point to point, and there is doubt about the firmness during collision; I personally think that the design of the front longitudinal beam with different thicknesses is this "lightweight" an innovative design? Imagine if the right side 40% offset collision test is added, will the existing structural design be continued?

　　On the morning of April 2, the 408 train of Taitung Railway "Taroko" derailed when it went to the Dashuishui Tunnel in Hualien County. The Central Radio and Television General Station continued to pay attention to the report of Taiwan Province Radio Station’s Voice of the Sea and the new media platform of "Looking at the Taiwan Strait". The Voice of the Sea first launched a special column "Directly Attacking the Taiwan Railway Accident: Finding the Families of the Casualties", rolling out the rescue progress and casualties sent by the reporters stationed at the General Station at the scene of the accident, and announcing the hotline to help find the families of the casualties; The new media platform of "Looking at the Taiwan Strait" was released simultaneously at home and abroad. Related reports have been highly concerned by listeners and netizens at home and abroad. Many Taiwan Province listeners praised "The Voice of Taiwan and the Sea is a radio station with temperature" and "The hearts of compatriots on both sides of the strait are closely connected through radio waves and the Internet".

　　In the past few days, the voice of Taiwan and the new media platform of "Looking at the Taiwan Strait" have been closely linked, and "Sudden! The Taiwan Railway train derailed.
Several lives are at stake and many people are injured. The spokesman of the Taiwan Affairs Office of the State Council expressed great concern about the 408 train derailment accident of the Taroko. The latest news of the derailment of the Taiwan Railway! 48 people showed no signs of life and 118 people were injured. The column "Direct Strike on the Taiwan Railway Accident: Looking for the Families of the Casualties" was launched by Voice of Taiwan. May the deceased rest in peace
The injured are safe. Mainland netizens are concerned about the casualties of the Taiwan Railway accident. The rescue work has come to an end temporarily. The cause of the accident has been initially identified. The rescuers who directly connected the Taiwan Railway train derailment accident on the spot have blood thicker than water.
More than ten reports, such as listening to friends on both sides of the strait and worrying about compatriots killed by the Taiwan Railway. At the first time, exclusive news such as "List of some victims of the 408 train derailment accident of Taitung Taroko" and "List of some injured people of the 408 train derailment accident of Taitung Taroko" were broadcast; Interview the only mainland passenger who was slightly injured in the accident at the first time, and broadcast an exclusive interview with "The Voice of the Sea at the Central Radio and Television General Station: The injured land was interviewed."

Recall the moment of the Taiwan Railway accident. Once the relevant reports were published, they attracted widespread attention from the media at home and abroad, and they were reprinted and quoted one after another. Hundreds of Taiwan Province listeners either called or posted messages asking about the casualties and expressing their concern.

　　On April 3rd, General Secretary of the Supreme Leader expressed his condolences to the victims of the Taiwan Province Railway accident, and expressed condolences to the families of the victims and injured compatriots. After the launch of the headquarters network, the voice of Taiwan and the new media of "Looking at the Taiwan Strait" were released at the first time, spreading the concerns of General Secretary of the Supreme Leader to the people of and the global audience, which triggered a warm response.

△ Macau Citizen Daily: General Secretary of the Supreme Leader expressed condolences to the victims in Taiwan.

△ Pakistan Economic Net: General Secretary of the Supreme Leader expressed condolences to the victims.

△ "Looking at the Taiwan Strait" WeChat public number

△ CCTV news client

　　According to statistics, the special report of the Voice of Taiwan Sea and the new media platform of "Looking at the Taiwan Strait" and the related report of the General Station have been spread and released twice in domestic new media, with a magnification of 146 times and a total reading page view of 304 million times. Among them, the related content of "Directly Attacking the Taiwan Railway Accident: Looking for the Families of the Casualties" was read and viewed 1.57 million times, and the key manuscripts such as "List of some victims of the 408th train derailment accident of the Taiwan Railway" were read and viewed more than 2.85 million times in the CCTV news client and the two micro accounts of the main station.

Xiamen Studio of Voice of Taiwan Sea also cooperated with Taiwanese business associations in Fujian, Xiamen and other mainland countries to launch activities such as offering love to the victims of the Taiwan Railway accident. As of April 5, the relevant pledged amount has reached nearly 200,000 yuan.

△ The Voice of Taiwan and the Taiwan Business Association of the Mainland offer love to the victims of the Taiwan Railway accident.

　　A number of mainstream media in Hong Kong and Macao reported the condolences of the Supreme Leader General Secretary to our compatriots in Taiwan Province in the news pages, and also reported on Taiwan Voice’s column to help find the families of the victims. Hong Kong wenhui network, Dagong.com, Sing Tao Global Network, China Review News Network, Hong Kong News Network, Hong Kong Bauhinia, HK Me and My Motherland, Hong Kong HK+, Macau Daily, Citizen Daily and Lotus Times, Media such as American Business News Network, Singapore Lianhe Zaobao, Malaysia Lianhe Daily, Guanghua Daily, Indonesia International Daily, Japanese Chinese Business Network, Nordic Times, Portugal’s Portuguese New Newspaper, Ouqiao.com, Greece-China.com, New Zealand United Daily News, West Africa Online, etc. have also reported the condolences of the Supreme Leader issued by the Voice of Taiwan, and the voice of Taiwan is concerned with the compatriots who were killed or injured in the Taiwan Railway accident.　

△ Hong Kong Wen Wei Po

△ Ta Kung Pao

△ Hong Kong wenhui network

△ Dagong.com

△ Dagong.com

△ Sing Tao Global Network

△ China Review News Network

△ China Review News Network

△ Hong Kong News Network

△ Hong Kong "Bauhinia"

△ bus report

△HK me and my motherland

△Hong kong "HK+"

△Macao daily

△Macao Citizen Daily

△Macau Lotus Times

△American business news network

△Singapore Lianhe Zaobao Chinese website

△Singapore Lianhe Zaobao Chinese website

△Malaysia Lianhe Daily

△Guanghua Daily, Malaysia

△Indonesia International Daily

△Japan Chinese Business Network

△Nordic times

△Portuguese new newspaper

△Ouqiao net

△Xizhong. com

△New Zealand United Daily News

△West Africa online

　　The Taiwan Railway accident deeply touched the hearts of compatriots on both sides of the strait. Voice of Taiwan and the new media platform "Looking at Taiwan Strait" launched a column.Direct attack on Taiwan railway accident: looking for the families of the casualtiesAfter the contact information is published,Hundreds of cross-strait listeners either call the hotline of Taiwan Voice of the Sea or post messages on new media platforms.Concerned about the latest progress of accident rescue, expressing condolences and condolences to the casualties of the accident, and conveying concerns and greetings to relatives on the island.Jiangxi Yichun GaoanofMr. LuoI called the voice of Taiwan Sea at the first time to express my thoughts on my uncle’s family who had not been in contact for a long time in Taiwan Province.Taiwan Province May singer Yang PinhuaThank friends on both sides of the strait for their condolences on the online platform, pray for the injured, observe silence for the deceased, and forward the phone number of the voice of Taiwan and the sea to find relatives;Taiwan Province Xinbei listens to friends and family.Calling the hotline of the Voice of Taiwan Sea said that the blood of compatriots on both sides of the strait is thicker than water, and the Voice of Taiwan Sea is a radio station with temperature, which made him very moved.

△Taiwan Province May singer Yang Pinhua left a message on the online platform.

△Taiwan Province Xinbei listens to friends and calls the voice of Taiwan Sea.

△ Netizens leave a message on the new media platform of the reception desk to pray for their compatriots.

　　Lin Boyan, President of Zhangzhou Taiwanese Investment Enterprise Association.Calling Taiwan Voice said that compatriots on both sides of the strait are a family whose blood is thicker than water. On behalf of the vast number of Taiwan compatriots in Zhangzhou, I would like to express my deep condolences to the compatriots who died in this accident and express my sincere condolences to the injured and the families of the victims.Tang Yushu, former chairman of Hualien County Tourist Hotel Business Association and director of Hualien Tourism Promotion Association.He said that all Taiwan Province compatriots felt the same way when they heard the special report of the Voice of the Sea, the general radio and television station of the Central Committee, and heard the deep concern and care of so many compatriots in the mainland. I sincerely hope that the tragedy of the Taiwan Railway accident will make people on both sides of the strait care for each other and warm each other.Lai Lianjin, President of Taiwan Province South China NewsHe said that he was very touched when he heard the program "Directly Attacking the Taiwan Railway Accident: Looking for the Families of the Casualties" broadcast by the Voice of Taiwan Sea on the AM549 radio wave in Taiwan Province. The mainland listened to the greetings from friends and netizens, and he was deeply impressed that the two sides of the strait are a family separated by only a strip of water.Peking University Taisheng Wang YuhanIn the message, I said that I saw many mainland friends are very concerned about this matter through the "Looking at the Taiwan Strait" public number, and I feel the goodwill of my compatriots. I feel very gratified and hope that there will be no more natural and man-made disasters.Taiwan Province young Ficus virensThe message said that the special report launched by the "Looking at the Taiwan Strait" platform enabled him to quickly grasp the progress of the incident. He has recommended this platform to many friends on the island.

　　At 9 o’clock, Zhu Liyu, who lives in Longchang Road, Yangpu District, drove from Zhoujiazui Road ramp to the Inner Ring Road and was drowned in the traffic that did not see the beginning and end of the morning peak. 40 minutes later, he arrived at the company parking garage on Lilac Road in Pudong, five minutes ahead of the 45 minutes predicted by the navigation software.

　　"The traffic congestion in Shanghai has indeed improved." Zhu Liyu’s experience is not accidental. A few days ago, the Traffic Analysis Report of Major Cities in China in Q2 2019, which was jointly released by several institutions, announced the congestion ranking of 50 cities in the second quarter of 2019, and Shanghai ranked 15th, dropping out of the "Top Ten Blocked Cities". In the same period of last year, Shanghai ranked eighth in this list, while in the same period of 2014, the congestion situation in Shanghai ranked first.

　　What changes have taken place in Shanghai’s traffic over the years?

　　"Beauty of Shanghai Order" friends circle swiped the screen

　　Relying on scientific and technological innovation, Shanghai Public Security Bureau constantly empowers the "electronic police". Behind every picture that embodies the beauty of order, there is an "electronic policeman" who works 24 hours a day.

　　Not long ago, a group of posts "This is the beauty of Shanghai order" were screened in the WeChat circle of friends. In these pictures taken by the surveillance video, at the place where the two lanes of the elevated ramp "merge into one", vehicles pass alternately in turn, such as the same smooth zipper. Not far away, the traffic police set up a reminder sign, and the ground was also marked with the obvious words "alternate traffic". Netizens have praised it.

　　A few years ago, the phenomenon of illegal fighting for roads and grabbing lines at the "combination of two and one" on the elevated ramp was everywhere, causing artificial congestion. Such large-scale and wide-ranging illegal acts exist widely, so it is necessary to find out in time when obtaining evidence. The elevated detachment of Shanghai Public Security Traffic Police can only divert traffic in the morning and evening rush hours, and then randomly carry out special rectification at various illegal-prone turnouts, with limited effect.

　　Behind every picture that embodies the beauty of order, there is an "electronic policeman" who works 24 hours a day. In recent years, relying on scientific and technological innovation, Shanghai Public Security Bureau has continuously empowered the "electronic police". Today’s electronic police can not only collect evidence for illegal acts such as speeding, running red lights and illegal parking, but also locate and capture many traffic violations such as motor vehicle horn, not wearing seat belts, changing lanes and traffic jams, making big turns and turning small. At the same time, the original "electronic police" has been continuously upgraded, and a set of equipment can simultaneously capture a variety of common traffic violations.

　　"Clearing traffic jams and ensuring traffic smoothness" was once a high-frequency word mentioned in Shanghai traffic management. In recent years, "strictly controlling traffic violations" has gradually become the focus of Shanghai public security traffic management. Data analysis shows that traffic violations are prone to occur frequently, which is the main reason for the chaos of road traffic order in Shanghai. In the eyes of professionals, the traffic police who have the power to enforce the law will focus on the rectification of traffic violations, use the "electronic police" to efficiently collect evidence of traffic violations, and seize the "bull nose" to control traffic congestion.

　　The traffic in mega-cities is like the human circulatory system, and one place is blocked and affects the whole body. As long as there is a car accident or breaks down, there will be a long queue behind. With the strict control of traffic violations, the number of road traffic accidents, deaths and injuries in Shanghai continued to decline, down by 8.7%, 13.2% and 2.6% respectively.

　　Smart "traffic lights" can predict traffic flow.

　　Last year, a brand-new "intelligent signal lamp system" was tried out in Shanghai. This set of traffic lights can sense and collect traffic data through multiple channels, and give the best scheme of signal control and traffic organization.

　　In the past, a typical intersection was like this: there were auxiliary police on all sides to help manage non-motor vehicles and pedestrians, while the traffic police stood in the middle of the road to direct and divert traffic, and they had to run around from time to time to enforce the law.

　　Traffic guidance depends on what the traffic police see and hear. Moreover, only the guidance on the "point" can only transmit the traffic pressure at one intersection to the next intersection. Improving road traffic efficiency must be a "systematic project" of a line and a network. On the eve of the first China International Import Expo last year, a brand-new "intelligent signal lamp system" was tried out in Shanghai. This set of signal lights does not simply indicate stopping or passing, but senses and collects traffic data through multiple channels, and gives the best scheme of signal control and traffic organization.

　　Wang Liang, deputy head of the Traffic Police Corps of the Municipal Public Security Bureau, said that the data collected by this intelligent transportation system can provide a basis for the on-site management of traffic police. "For example, if you know which road and which direction the traffic load is too large, the traffic police can guide the traffic diversion in advance, dynamically allocate the right of way and improve the traffic efficiency." According to calculation, through such dynamic and timely management measures, the regional road traffic efficiency has been improved by more than 10%. The reporter learned from the Traffic Police Corps of the Municipal Public Security Bureau that before the end of this year, there will be 1,000 intersections in the city with this set of traffic lights.

　　"I thought that the road construction would be very blocked, but I didn’t expect it to be smooth." Mr. Zeng, who lives in Wuning Road, was once worried that the road closure would affect his travel because of the reconstruction of the road at his doorstep. Unexpectedly, after the construction began, temporary traffic lanes were newly built and variable lanes were set. He did not feel that the road occupation construction brought too much impact. "The refinement of Shanghai is reflected in these details."

　　"We insist on the second-by-second adjustment of signal lights, the improvement of traffic organization one by one, and the improvement of road traffic efficiency through minor changes." Wang Liang said that taking the 104 down ramps with hidden dangers of "poor downlink" in the city as an example, every traffic police detachment should go to the local down ramps for on-the-spot investigation, investigate the reasons for poor downlink and formulate solutions one by one.

　　"Yan’ an elevated Tibet South Road has a large traffic volume and is often congested. After investigation, we found that there is a blank period between the traffic lights at the two intersections before and after the ramp, and the road resources are relatively rich." After repeated research, the elevated detachment of the Traffic Police Corps of the Municipal Public Security Bureau and the local traffic police, through fine-tuning the green light signal time, used this short time to quickly release 50 to 100 vehicles. In this way, the congestion on the off-ramp can be alleviated.

　　Remediation of traffic violations of non-motor vehicles and pedestrians

　　The rectification of non-motor vehicles and pedestrians’ violation of the law is large in quantity and wide in scope, and there is a lack of management hands like motor vehicle driver’s license and license plate. Since March 24 this year, the Shanghai Public Security Bureau has launched a centralized and unified operation every week.

　　"Shanghai’s traffic rectification has been carried out for more than three years, and citizens generally report that motor vehicles are more disciplined. However, traffic violations of non-motor vehicles and pedestrians are still high, which undermines traffic order and brings many security risks. " Wang Liang said that while keeping the "three chaos and one rebellion" of motor vehicles prominent in the strict investigation of traffic violations, since last year, the traffic police department has made traffic violations of non-motor vehicles and pedestrians the focus of rectification.

　　Speaking of rectifying non-motor vehicles and pedestrians, many front-line traffic police are puzzled: on the one hand, such violations are extensive; On the other hand, there is a lack of management grips like motor vehicle driving license and license plate. Wang Liang said: "We ask the traffic police to enforce the law as strictly as non-motor vehicles and pedestrians." Since March 24 this year, Shanghai public security organs have organized weekly centralized and unified actions to tackle and rectify traffic violations of non-motor vehicles and pedestrians, with the participation of the whole police, to tackle and rectify various traffic violations of non-motor vehicles and pedestrians.

　　Police-enterprise cooperation, social governance, alleviating parking difficulties

　　In response to the needs of residents for parking at night and picking up and dropping off students, the traffic police department, together with relevant local governments and functional departments, has taken measures to alleviate the "long-standing problem" of parking difficulties.

　　When Ms. Zhang, a citizen, was stopped for crossing the road at a red light for the first time, she was not fined. The traffic police only gave her oral education after registering her identity information. This is a "progressive" law enforcement mode adopted by Shanghai traffic police against pedestrian traffic violations: the first education, the second warning, and the third and above penalties.

　　Lifestyle changes bring new challenges to traffic management. In recent years, the development of the take-away and express delivery industry, which generally relies on non-motor vehicles to solve the "last mile", has aggravated the traffic violations of non-motor vehicles. On July 1st, the off-site enforcement system of electric bicycle traffic violations based on RFID technology was put into use. At present, the construction and installation of RFID collection equipment have been completed at key intersections and sections of the outer ring road of the city, and 54,000 electric bicycles engaged in express delivery and take-away industries have been replaced with new electronic license plates. "In the past, we lacked an effective grasp of managing non-motor vehicles, and electronic license plates provided us with a solution to the problem." According to the relevant person in charge of the traffic police department of the Municipal Public Security Bureau, as of July 28, this system has seized more than 9,400 non-motor vehicle traffic violations.

　　A few days ago, the reporter saw in the Huaihai Road business circle that the sign of "temporary parking spot for non-motor vehicles of take-away enterprises" was hung in the open space around buildings such as Times Square and Hong Kong Plaza in Shanghai. From time to time, take-away riders rode their cars here to run and deliver meals. Correspondingly, the phenomenon that non-motor vehicles are parked and placed on the road is reduced.

　　Huaihai Road Business Circle gathers commercial buildings and commercial shops, and the demand for logistics and take-away services is amazing. However, Huaihai Middle Road is a non-road section, and non-motor vehicles are prohibited from passing through the whole line. Some take-away and express delivery practitioners not only ride illegally, but also stop and put them in disorder. While contacting the property to implement the parking resources, the traffic police department promotes the cooperation between the police and enterprises and social co-governance, and innovates safety management measures such as big data screening of the problem network car, digital management of bike-sharing, "one person, one car, one license and one yard" for take-away riders and personnel score management. Last week, 28 express delivery companies jointly signed a joint commitment on rider traffic safety.

　　Parking difficulty is a "long-standing problem" in traffic management. Since the traffic rectification, the city has drawn a total of 239 "yellow solid lines" roads, and parking is prohibited across the whole line, which makes many drivers feel "very inconvenient". "In addition to strict law enforcement, we also consider the actual needs." Wang Liang said that in order to alleviate the difficulty of getting on and off taxis, the traffic police department has set up more than 3,000 taxi pick-up and drop-off points at bus stops. In view of the practical needs of residents such as parking at night and picking up and dropping off students, the traffic police department actively cooperates with relevant local governments and functional departments to take measures to alleviate the parking problem. In addition to adding time-limited road parking lots and night-time road parking lots on roads where conditions permit, we also actively tap the potential, build and add parking facilities, coordinate to turn idle land into temporary parking lots, and make use of the difference in parking demand time between residential areas and surrounding commercial buildings, hospitals, etc., and use and share parking facilities at wrong times.

　　At present, the city has more than 2,300 road parking lots with more than 90,000 berths. Among them, there are 116 night road parking lots to alleviate the parking difficulties in residential areas, which can park about 3,300 vehicles, and 273 temporary road parking lots to alleviate the parking difficulties for students, which can park about 5,900 vehicles. (Reporter Wang Xianle Jian Gongbo)

China Optics of the Light Center of the original Changguang Institute is included in the topic # Intelligent Photonics 1# Ultrafast Laser 1.

Written by Cyan (Ph.D. student, University of Bristol, UK)

Author’s recommendation

Professor Goëry Genty (University of Tampere, Finland):

Our international cooperation team published a summary article in Nature Photonics on the topic of "Machine Learning and Applications in Ultrafast Photonics". A major feature of this review is that it provides a series of basic concepts for readers (such as students) who are not familiar with related fields.

At present, people don’t know how to make the best use of artificial intelligence and machine learning to promote future research, but the application of ultrafast photon technology in controlling complex laser systems and generating customized beams has not fully exerted its potential. We have solved this problem now and summarized different machine learning methods that can be used to study and control ultrafast photonic systems.

Our goal is to make readers who are not experts in this field fully understand this review and provide them with the basic knowledge of machine learning applied to ultrafast photonics. This paper mainly summarizes the design and optimization of laser and the research and control of ultrafast dynamics (the change of light field properties).

For each case, we try to explain how machine learning technology may be applied to the actual cases of interest, the benefits they can bring and the future research direction. It also explains different algorithms in machine learning and some guidelines on how to use them, which provides a quick start for researchers who are not familiar with this field.

Artistic renderings: the application of artificial intelligence in ultrafast photonics. The figure shows how the neural network controls the properties of the incident field by seeking the optimal value in a complex multidimensional space. This concept can eventually help to generate light beams with special properties. (Source: Tampere University, Finland)

With the landing of various intelligent applications, machine learning, artificial intelligence and other professional terms that use statistical techniques and numerical algorithms to perform specific tasks have become well known to the public. In optics, the early application of machine learning mostly appears in the form of genetic algorithm, which is used for pattern recognition, image reconstruction, aberration correction or optical element design.

Figure 1. Machine learning (artistic renderings)

Source: Changchun Institute of Optics and Mechanics, Light Academic Publishing Center, New Media Working Group.

Ultrafast lasers play an important role in many fields of photonics, such as communication, material processing and biological imaging. It directly contributed to the research results of three Nobel Prize levels:

Femtosecond Laser Coherence Control (1999) [Recommended Reading]

Precision Frequency Comb (2005) [Recommended Reading]

High Power Femtosecond Pulse Amplified by Chirped Pulse (2018) [Recommended Reading]

However, the design and operation technology of ultrafast lasers have not changed much compared with those when they were first developed decades ago. With the increasing demand for the quality of light source in various new applications, the complexity of laser is increasing day by day, which means that the amount of data in the process of laser design and optimization will explode, making the traditional design optimization scheme no longer applicable.

The high-speed processing of a large amount of data is the field that AI technology such as machine learning is good at. Therefore, the combination of the latest progress of ultrafast photonics with powerful tools such as artificial intelligence and machine learning provides a new way to overcome this bottleneck.

Professor Goëry Genty from Tampere University, Finland [introduction], together with scholars from three other universities in Europe, reviewed the specific fields in which machine learning technology has been applied and breakthroughs have been made in ultrafast photonics; Consider the future challenges and research direction, and provide a feasible research process roadmap; It also points out the applications that are expected to have a significant impact in the next few years.

1. Application of machine learning in ultrafast photonics

In view of the excellent performance of machine learning in data classification, identifying hidden structures and processing parameters with large degrees of freedom, many important scientific research achievements have come out, especially in the fields of big data processing and reverse design. As shown in Figure 2, different machine learning strategies and related architectures are described, and the core concepts, implementation methods and applications in ultrafast photonics are listed.

Figure 2. Main concepts and implementation methods of machine learning in ultrafast photonics.

Source: Nature Photonics/translation: Cyan (writer)

Figure 3 describes the general application model of machine learning in ultrafast photonics. A) The diagram depicts the training stage, in which the control signal and the measuring device are used to detect the parameter space and map the corresponding operating state respectively. Then, the collected data is input into the machine learning algorithm for training.

Fig. 3. Machine learning process of controlling components with feedback loop and control algorithm.

A) training stage b) machine learning assistant stage

Source: Nature Photonics/translation: Cyan (writer)

B) Figure depicts the self-adjusting process, in which the real-time operating state characteristics of laser and a simplified measuring system are fed into electronic equipment controlled by machine learning algorithm to lock the system to an ideal mechanism. This is where machine learning is particularly powerful, because once trained, the algorithm can quickly select parameters to achieve the best operation.

When using the machine learning model, you should also pay attention to the following items:

Selection of architecture and related parameters

accuracy control

Training data

Overfitting avoidance

Robustness and Transfer Learning

According to the selection of the above structural parameters, with different algorithms in the implementation method circle in Figure 2, such as genetic algorithm, feedforward neural network, convolutional/recursive neural network and unsupervised learning, the specific target design can be realized quickly.

Second, the laser design and optimization

(1) Self-tuning of ultrafast fiber laser

Since the pulse state is influenced by many factors, such as dispersion, nonlinearity and dissipative effect, the operation of laser system is actually very complicated. This complexity, on the one hand, has greatly improved the quality of light sources; On the other hand, it also poses great challenges for control and optimization.

This difficulty stems from the need to achieve the balance of multiple degrees of freedom (or control parameters) in order to achieve stable operation or achieve a specific mechanism. When multiple output characteristics need to be optimized at the same time, the traditional optimization method will no longer be applicable. The optimal design method based on machine learning is especially suitable for this system with greatly increased complexity.

(2) Coherent dynamic control

In addition to directly controlling the laser as mentioned above, external cavity modulation technology is also widely used in pulse shaping of ultrafast pulses. This kind of optimization involving multiple related parameters, machine learning can obviously surpass other forms of automatic optimization control theory. For example, Professor Daniel B. Turner’s team showed people how the adaptive neural network algorithm can control the pulse shaper and significantly accelerate its implementation, and its convergence speed is about 100 times faster than the traditional algorithm.

Third, the characteristics and control of ultrafast pulse propagation dynamics

(1) Hidden physical model

The application of machine learning to derive prediction models from sparse or noisy measurements has been successful. With the development of technology, a concept called "hidden physical model" is put forward, that is, by using "physical information neural network" to analyze dynamic data samples, the closed mathematical model or nonlinear differential equation that controls the physical system can be automatically identified. This method should also be used in ultrafast photonics to analyze the transmission dynamics of pulses in optical fibers. In addition, this model-free method is also used to predict the coherent dynamics of soliton-like transmission. However, at present, this kind of work is only based on numerical data-the next step in this field is obviously to explore the control model from the experimental data set.

(2) Chaotic system and instability

In the chaotic system, the measurement system that directly captures the breathing laser [] imposes serious restrictions on the experiment in complexity.

Machine learning can directly solve this problem. By training neural network to determine the time characteristics of chaotic field, only the intensity characteristics of spectrum need to be measured (which is easier to measure). Recently, a similar method has been used to determine the peak power, duration and time delay of extreme wandering solitons in noise continuous spectrum. In addition, similar applications have been extended to more complex systems, such as those observed in transient laser behavior and extreme events.

(3) Multidimensional system

One of the main advantages of neural network is that it can effectively analyze the characteristics of multidimensional systems. This is especially suitable for multimode optical fiber systems, because space-time coupling greatly increases the complexity of parameter space and nonlinear propagation dynamics. Uurtein of the Federal Institute of Technology in Lausanne, Switzerland, drives a spatial light modulator through a neural network to generate supercontinuum spectrum in a step index distribution fiber, which proves the potential of machine learning.

Figure 4. Neural network structure (artistic effect diagram)

Source: Changchun Institute of Optics and Mechanics, Light Academic Publishing Center, New Media Working Group.

IV. Prospects and Challenges

Ultrafast photonic systems are very complex and usually nonlinear, and their dynamic characteristics are very sensitive to internal parameters and external disturbances. Due to the demand for stability, anti-interference robustness, adjustability and adaptive control, the complexity of these systems is increasing day by day. Machine learning technology, which can find hidden features and adapt independently when contacting new data, may play an important role in the next generation of ultra-fast systems and applications.

At the same time, in the application of ultrafast photonics, machine learning also faces the following challenges:

1) When using recursive networks, it is very important to sample pairs along the evolutionary dimension (time or distance) to extract and reproduce the long-term evolutionary structure. Therefore, memory limitation will become a problem, especially in lasers that require multiple cavity round trips to stabilize.

2) Unsupervised learning analysis divides data into subsets with similarities, but it lacks key information about the criteria used for classification.

3) When the photon system is processed in real time, it needs the ability to manage a large amount of data and a hardware framework that can cope with the ultra-fast processing speed.

To sum up, machine learning provides effective solutions for many problems encountered at this stage, which makes ultrafast photonics play an effective role in a wider range of fields. As Professor Goëry Genty said: "We believe that machine learning can play an important role in the next generation of laser light sources. Our work can inspire researchers to fully tap the potential of artificial intelligence in ultrafast photonics and its many applications. "

Article information

Genty, G., Salmela, L., Dudley, J.M. et al. Machine learning and applications in ultrafast photonics. Nat. Photonics (2020).

Original address

https://doi.org/10.1038/s41566-020-00716-4

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Original title: Application of Machine Learning in Ultrafast Photonics

Read the original text

　　Xinhuanet reporter Wang Zihui

　　[While studying] At the National Conference on Ecological Environmental Protection held from May 18th to 19th, the Supreme Leader General Secretary delivered an important speech, which expounded his thoughts on ecological civilization completely and profoundly, which is of great significance for doing a good job in ecological environmental protection at present and in the future, and pushing China’s ecological civilization construction to a new level. On the occasion of World Environment Day on June 5th, Xinhua News Agency’s original brand column "Workshop" published an article for your interpretation.

　　In the critical period, it has entered the critical period and reached the window period. At the National Conference on Ecological Environmental Protection held from May 18th to 19th, General Secretary of the Supreme Leader made a clear judgment on the overall situation of ecological civilization construction.

　　At this historic juncture of "three-phase superposition", how to push China’s ecological civilization construction to a new level? The supreme leader expounded his ecological civilization thought completely and profoundly, and gave a correct epistemology and scientific methodology.

　　In this important speech, three words appear repeatedly, which are the soul and main line running through the whole article. These three words are "common people".

　　The key to learning and understanding the supreme leader’s ecological civilization thought is to deeply understand the central position of the people in the supreme leader’s ecological civilization thought.

　　Provide more high-quality ecological products for the people.

　　It is necessary to take the obvious improvement of air quality as the rigid requirement, and return the people to blue sky, white clouds and stars. It is necessary to thoroughly implement the action plan for water pollution prevention and control, and give people the sight of clear water and green shores and shallow fish. It is necessary to fully implement the action plan for the prevention and control of soil pollution, so that ordinary people can eat and live with peace of mind. It is necessary to continue to carry out rural human settlements improvement actions and keep the idyllic scenery of birds and flowers for the people … …

　　These words of the supreme leader focus on the quality of life of ordinary people everywhere, and every sentence is in the hearts of ordinary people.

　　There is no substitute for the ecological environment, which is the fairest public product and the most inclusive people’s livelihood. The supreme leader stressed that solving outstanding ecological and environmental problems should be regarded as a priority area for people’s livelihood.

　　"I hope that the blue sky is always there, the green mountains are always there, and the green water is always there, so that children can live in a good ecological environment … …” The supreme leader spoke so affectionately more than once, showing deep people’s feelings.

　　The supreme leader emphasized that the ecological environment is a major political issue related to the party’s mission and purpose. The Communist Party of China (CPC)’s initial intention and mission is to seek happiness for the people of China, to revive the Chinese nation, and to serve the people wholeheartedly will always be the fundamental purpose of the Party.

　　This requirement is clear. We vigorously promote the construction of ecological civilization. The fundamental purpose is to respond to the people’s thoughts, expectations and urgency, provide more high-quality ecological products, and constantly meet the people’s growing needs for a beautiful ecological environment.

　　Constantly satisfying the people’s growing needs for a beautiful ecological environment is the most distinctive feature of the supreme leader’s ecological civilization thought and the fundamental starting point of all work in ecological civilization construction.

　　Create a Jinshan Yinshan with high quality development for the people.

　　Promoting green development in an all-round way is the inherent requirement of the supreme leader’s ecological civilization thought.

　　The Supreme Leader has repeatedly stressed that Lucid waters and lush mountains are invaluable assets. Promoting green development in an all-round way is not only to provide more high-quality ecological products for the people, but also to create a high-quality development Jinshan Yinshan for the people.

　　In the past few decades, China’s economy has maintained rapid growth for a long time, but the development model that relies too much on increasing material resources consumption, relying too much on extensive scale expansion, and relying too much on high-energy and high-emission industries has also accumulated certain structural problems.

　　As China’s economy changes from a high-speed growth stage to a high-quality development stage, it is urgent to change the development mode, optimize the economic structure and change the growth momentum in order to cross the major barrier of economic development. Green development is the development concept of innovation-oriented, intensive and efficient, and quality first. It is the only way to cultivate and expand new industries, new formats and new models.

　　An important aspect of the ecological civilization system planned by the supreme leader is the ecological economic system with industrial ecologicalization and ecological industrialization as the main body. In the supreme leader’s view, ecology is resources and ecology is productivity.

　　Just as he said to forestry workers when he inspected the suspension of logging in Shangganling forest area of Heilongjiang Province, "As long as you are hardworking and willing to do it, you will be able to harvest Jinshan Yinshan by guarding the green mountains and green hills."

　　At the national eco-environmental protection conference, the top leaders deployed key tasks to comprehensively promote green development, including adjusting the economic structure and energy structure, optimizing the layout of land space development, adjusting the industrial layout of regional river basins, cultivating and expanding energy-saving and environmental protection industries, clean production industries and clean energy industries, promoting comprehensive resource conservation and recycling, realizing the circular link between production systems and living systems, advocating a simple and moderate, green and low-carbon lifestyle, and opposing extravagance and waste and unreasonable consumption.

　　These tasks are very important for establishing and improving a green and low-carbon circular economic system and promoting high-quality development. Implementing these tasks well will inevitably bring more and more real sense of gain to the people.

　　Building a sustainable "green bank" for ordinary people

　　Ecological prosperity leads to civilized prosperity, while ecological decline leads to civilized decline. The construction of ecological civilization is a fundamental plan for the sustainable development of the Chinese nation.

　　Chinese civilization has lasted for more than 5000 years. How to achieve sustainable development? Respecting nature, conforming to nature and protecting ecology are the answers given by the supreme leader.

　　The supreme leader vigorously promotes the construction of ecological civilization, but also wants to leave a "green bank" for future generations, which is the most fundamental and long-term development interest of the people.

　　Since the 18th National Congress of the Communist Party of China, the CPC Central Committee with the Supreme Leader as the core has placed the construction of ecological civilization in the strategic position of Socialism with Chinese characteristics’s "five in one" overall layout, and promoted historic, turning and overall changes in ecological environmental protection.

　　At the national conference on ecological environmental protection, the supreme leader put forward six principles to promote the construction of ecological civilization in the new era, demanding that the construction of the "five major systems" of ecological civilization be accelerated, and the deployment should resolutely fight the tough battle of pollution prevention and control. Each of these "six principles" and "five systems" is a fundamental and long-term work, and each of them is related to the background of a well-off society in an all-round way and the national rejuvenation plan.

　　In this speech, the Supreme Leader set a clear timetable for the construction of "Beautiful China": to ensure that by 2035, the ecological environment quality will be fundamentally improved and the goal of "Beautiful China" will be basically achieved. By the middle of this century, the five major civilizations will be upgraded in an all-round way, a green development mode and lifestyle will be fully formed, man and nature will coexist harmoniously, and the modernization of the national governance system and governance capacity in the field of ecological environment will be fully realized, and a beautiful China will be built.

　　This "timetable" is closely related to the pace of building a well-off society in an all-round way and starting a new journey of building a socialist modern country in an all-round way determined by the 19 th National Congress. The supreme leader said earnestly that we must grit our teeth, climb this slope and cross this hurdle.