On the eve of commemorating the Victory Day of the October Revolution, many Russians came to Lenin’s Mausoleum in Moscow’s Red Square with red flags in their hands.

　　　　　

　　　 The car that Lenin used to use is still properly kept and is now stored in a garage in Lenin’s former residence. Our reporter Li Jin/photo

　　　　　　Lenin is in Russia.

　　　　Looking back on the 90th anniversary of the October Revolution

　　　　On November 7, 1917, the Bolshevik armed forces led by Lenin launched a general attack on the Winter Palace, overthrew the interim government and established the Soviet regime. Thus, the world’s first socialist country was born.

　　　　Today, 90 years later, although the dust of history has gradually dissipated, it is an indelible memory for Russia and countries affected by the October Revolution.

　　　　　Russians have not forgotten history.

　　　　The landmark event that changed the fate of this country 90 years ago has not been forgotten by Russians with the change of years and the cold weather.

Background information:Russian October Revolution (October Socialist Revolution)

　　　　Liu Zuoyuan, a special contributor to the International Herald Tribune, is from Moscow. Although there are still two days before November 7, the atmosphere of commemorating the 90th anniversary of the October Revolution has already come to Moscow. The landmark event that changed the destiny of this country 90 years ago has not been forgotten by Russians with the change of years and the cold weather.

　　　　　The Russian Communist Party celebrated with great fanfare.

　　　　As a matter of fact, since April this year, the Russian communist party has started preparations for activities to commemorate the 90th anniversary of the October Revolution.

　　　　According to Russian media reports, the commemorative activities led by the Russian Communist Party were first lit in Minsk, the capital of Belarus. From November 3 to 5, more than 80 political parties from all over the world sent people to participate in the large-scale international gathering of the Left Party held in Minsk. Participants will then go to Moscow to participate in the parade and rally to be held on November 7. "There will be 40,000 to 50,000 people participating in the parade, or even more." Russian communist party Chairman zyuganov said.

　　　　According to the plan, the Russian Communist Party will also hold academic conferences, round tables, exhibitions, party newspaper festivals and other activities, interspersed with various competitions including slogans, literary works, student compositions and children’s paintings. At the same time, the Communist Party of Russia declared 2007 as the "year of calling for joining the Party", produced the commemorative medal of the Central Committee of the Communist Party of Russia for the "90th anniversary of the great October socialist revolution", and proposed that the October Revolution Memorial Day be regarded as the main-level festival of the Russian Federation.

　　　　The website of the Central Committee of the Russian Communist Party also opened a column of "Commemorating the 90th Anniversary of the October Revolution" early, in which an article said that the Russian Communist Party would make maximum use of all kinds of propaganda resources to commemorate and cherish the great significance of the October Revolution. Pravda and regional publications in communist party have also opened up related fixed columns.

　　　　　Red flags are displayed on the streets of Moscow

　　　　In November, the signs of the commemoration atmosphere of the October Revolution on the streets of Moscow gradually increased. Walking on the road, you can often see rallies carrying red flags, and billboards on the roadside have also changed into the image of young pioneers wearing red scarves. All this reminds people that an important festival is coming.

　　　　In Russia, although the "October Revolution Festival" has changed its name several times, it has become the "Moscow Red Square Military Parade Day" today, but most people still like to use the original name. On November 2nd, delegations from different countries arrived in Moscow one after another. People held a rally in Red Square carrying a red flag with the words "Forever October Revolution" written on it.

　　　　The two-color ribbon called "Guards Ribbon" has also been turned out. This ribbon distributed free of charge by the youth organization "College Students Association" consists of black and orange, with black representing smoke and yellow symbolizing flame. The "Guards Ribbon" was originally designed to commend the outstanding achievements of Red Army soldiers during the Soviet Patriotic War after the October Revolution. In today’s Russia, young people are more willing to commemorate the festivals of the former Soviet Union by wearing the "Guards Ribbon".

　　　　"For many Russians, commemorating the October Revolution is a tradition. No matter how people evaluate the October Revolution, no one can deny its great influence on the Russian nation." Party member Nikolai, a Communist Party of Russia from Moscow University, told the International Herald Tribune that in order to participate in the parade and rally on November 7, the Communist Party of Russia party member of his school had prepared flags and slogans, and there would be an independent phalanx on the day of the parade.

　　　　While the Russian Communist Party celebrated the October Revolution Festival with great fanfare, the Russian media reported that Lenin’s body might be moved out of Lenin’s Mausoleum. "We will resolutely oppose this kind of thing, especially on the day of commemorating the October Revolution." Nikolai was quite indignant at this: "No one can erase Lenin’s influence and great achievements in Russian history."

　　　　　　Flowers fill the graves of martyrs.

　　　　The reporter of International Herald Tribune specially visited the famous New Saint Cemetery in Moscow. Everyone buried here is a witness of that period of history. People who are busy commemorating the October Revolution have not forgotten these heroes who are buried in the cemetery, and newly picked flowers are placed in front of the gravestones in the shadows of the trees.

　　　　Party member Makarenko, an old Russian Communist Party, dedicated a bouquet of flowers to the tomb of writer Nikolai ostrovsky. In front of ostrovsky’s tombstone, there is a cavalry knife and a pointed hat that Paul, his hero, often wears, which makes people easily think of his novel How Steel was Tempered. "During the October Revolution Festival, my party group proposed to come to the cemetery to sweep graves." Makarenko told the International Herald Tribune, "People need faith, just as we followed at the beginning, to make other people’s lives better because of your survival." Makarenko quoted the motto of the famous Soviet hero Matrosoff. Indeed, for Russians, perhaps the more significance of commemorating the October Revolution lies in adhering to the belief of following life.

　　　　Today, the ruby five-pointed star on the Kremlin has been lit for 70 years, which is also a historical witness that the Soviet Union once existed as a great country. Although that period of history is getting longer and the October Revolution Festival is no longer a legal holiday, in the hearts of many Russians, it is an "eternal festival". Source: International Herald Tribune

　　　　　　Exploring Lenin’s footprint in Russia

　　　　There are countless roads, factories and subway stations named after "Lenin" and "October Revolution" in Russia, and they are also silently recalling the past history.

　　　　Liu Yang, a reporter from the International Herald Tribune, was born in Moscow. From 1917 to 2007, 90 years passed away negligently.

Today’s off-road vehicles can no longer be simply classified as "rock climbing", "competition" or "crossing". Needless to say, the heat of off-road vehicle testing market since the launch of tank 300 is also true in the field of modification.

There are countless modified products of tank 300 in the aftermarket, and a large number of modified schemes can also meet more specific segmentation needs. For example, the front bumper, which is also aimed at improving protection, has different styles, protection priorities and functional choices.

The MR front bumper installed in this tank 300 continues the square outline of the original car on the line, and the central hollowed-out part divides the bar body into a "small cowshed" shape, which enhances the layering without blocking the middle net.

The two plastic anti-collision blocks in front make the front face more stereoscopic and more wild and powerful. The corners on both sides are integrated with the wheel eyebrows protruding from the car body, and the overall feeling is full.

The front bumper is internally integrated with a winch bracket, which is compatible with the original T-MAX and the mainstream winches on the market such as WARN.

The ring fog lamp seat echoes the headlights of the original car, and four yellow spotlights of MR are installed inside; Mounting holes for ranging radar are also reserved on the surface of the bar.

The rear bumper and the front bumper complement each other, the anti-collision block and the ring fog lamp seat are the characteristic elements, and the wrap angles on both sides are also perfectly connected with the wheel eyebrows, which not only improves the departure angle and enhances the protection, but also retains the practical functions such as radar, towing hook reservation and the like.

The tire is equipped with a size of 265/70/R17, which is also the mainstream choice of this class of vehicles. Its size is slightly larger than that of the original factory, and it is a balanced choice between improving the passability and maintaining the stability of the original vehicle. Paired with it is the Beast negative rim, and its dark style is also consistent with the whole vehicle.

ATLAS’s 1.5-inch elevated nitrogen is selected as the suspension part to avoid vibration. The oil-gas separation vibration isolator has better thermal attenuation resistance under severe working conditions, and also provides stronger support and rebound suppression, and has the adjustment function of compression and rebound damping.

It is worth mentioning that this set of vibration isolators of ATLAS can not only perform 12-segment main tune for compression damping, but also perform 4-segment fine tuning on this basis, so as to make more accurate tuning for different driving styles, road conditions and load conditions.

The adjustable push rod is also replaced with the vibration isolator, so as to correct the position and suspension geometry of the raised rear axle.

In addition to the above, this tank 300 is also equipped with a flat-topped luggage frame, and a strip spotlight is fixed at the front end to further expand the practicality and functionality of long-distance travel.

With the increasing number of modification cases of tank 300, the same model has been able to meet the more specific off-road needs of different players, but whether it is reloading, leisure camping, desert competition or weekend light field, it is always a scientific, reasonable and targeted modification plan.

? In August 2023, during the 26th Chengdu Auto Show, it officially ushered in the world’s first show and started the pre-sale simultaneously. On November 17th, 2023, KIA EV5 was officially launched at Guangzhou Auto Show, and a standard endurance version was launched. On February 1st, 2024, the KIA EV5 720 long battery life version was advanced, providing a higher cruising range.

? The official suggested retail price of KIA EV5 standard battery life version is 149,800 yuan for 530Light version, 159,800 yuan for 530Air version and 174,800 yuan for 530Land version. The official suggested retail prices of KIA EV5 720 long battery life version are: 720Air version 184,800 yuan, 720Land version 201,800 yuan and 720Wave version 225,800 yuan respectively.

? Appearance: KIA EV5 adopts family-style design style. The front part adopts closed air intake grille and irregular headlight group design. The side lines of the car body are tough, with suspended roof design. The tail design echoes the front face, showing a sense of the future.

Interior: The whole car is dominated by coffee color. The center console is equipped with a large-size touch screen and an integrated double screen design. The seat is designed in a rotating way, providing wireless charging board, seat heating/ventilation, panoramic canopy and other configurations.

? The standard endurance version is equipped with a 64kW·h battery pack and a 160kW motor, and the standard cruising range of CLTC is 530 km. The long-life version is equipped with an 88kw·h battery pack, with a target cruising range of 700km. The EV5 720 long-life version is equipped with 88.1kWh battery pack, and the actual cruising range can reach 720km, and it only takes 27 minutes to recharge the battery from 30% to 80%.

? As a compact SUV, KIA EV5 has excellent performance in comfort and space utilization, especially after the launch of the long-life version, its market competitiveness has been further improved. To sum up, KIA EV5 is a pure electric SUV with high cost performance. With its unique design, excellent performance and reasonable price, KIA EV5 has attracted wide attention from the market.

Recently, the market’s attention to the Huawei Mate70 series continues to rise. Previously, Huawei Managing Director, Chairperson of End Point BG, and Chairperson of Smart Car Solutions BU, Yu Chengdong announced that the Mate70 series will be officially unveiled in November, and now there is news that the Huawei Mate70 series conference may be scheduled for November 26, at the Shenzhen Spring Cocoon Stadium. There will also be mysterious guests present, but this news has not been officially confirmed by Huawei, for your reference.

The Huawei Mate 70 series is called "the most powerful Mate in history" by Yu Chengdong. The series is expected to bring many highlights, such as the official version of HarmonyOS Next, the new Kirin chip, and the excellent imaging system.

In addition, the design of the machine is also more exposed. It will continue the iconic three-hole screen design of the Mate 60 series, and is equipped with a 1.5K resolution screen, providing two options of straight screen and micro-curved screen to meet the needs of different users. The rear camera module is still a circular module, and is arranged in a symmetrical double row vertical, which is similar to the Mate 50 series.

If the conference is really scheduled for November 26, I believe it will set off a boom in the mobile phone market. Interested friends can pay more attention to the official news, and I believe there will be a warm-up in the near future.

The shield machine "Jingtong" is working at the excavation construction site of Yunchao Jianhe Tunnel. (Pan Zhiwang photo)

　　Not far from the Beijing City Sub-center Station under construction, the shield machine "Jingtong", the largest diameter high-speed railway tunnel in Beijing, is excavating underground at a speed of 8 rings per day. At present, only 4.4 kilometers of Beijing tunnel section of Beijing-Tangshan intercity railway has completed 50% of the total project, and the main structure will be completed by the end of 2024, laying the foundation for opening conditions by the end of 2025.

　　Although the sparrow is small and complete, the Beijing tunnel section project integrates innovative elements such as large-diameter shield tunnel, prefabricated U-shaped groove of subgrade and fully welded double V-shaped arch bridge. The Municipal Major Project Office, together with all parties involved in the construction, will strengthen scientific and technological innovation, practice new quality productivity, and strive to turn it into a demonstration project of the city sub-center.

　　"Intelligent Shield Machine" Tunneling "Without Changing Cutters"

　　Beijing-Tangshan Intercity Railway is a fast traffic corridor from Beijing to Tangshan. The project is divided into two sections. The first section from Songliang Road to Yanjiao was opened to traffic on December 30, 2022, and the remaining Beijing Tunnel is 4.4 kilometers long. Among them, the 1.3-kilometer-long Yunchao Jianhe Tunnel is not only the last tunnel in the whole line, but also the first large-diameter shield tunnel for high-speed rail in the sub-center area of Beijing.

　　"Swing mode, go!" On April 10, I came to the shield construction site located 31 meters underground. I saw that the yellow "big" shield machine stretched out the "sucker", picked up a segment weighing three or four tons, and slowly moved and rose. When it reached the joint with the previous segment, the jack exerted force and tightened the "nut" to tightly splice the two segments together.

　　"Every 9 segments can form a ring. Now this tunnel has completed the 309 ring and completed nearly half of the workload. By October this year, the internal structure construction of the tunnel will be completed. " Wei Zhe, deputy manager of the shield of the Eighth Bid Project of Jingtang Railway of China Railway 14th Bureau, introduced the shield machine "Jingtong" independently developed by China Railway Construction. The total length of the shield machine is about 138 meters, the total weight is about 3,200 tons, and the cutter head diameter is 13.3 meters. It is the largest high-speed railway tunnel shield machine in Beijing.

　　The shield section passes through the high-density medium sand stratum, with sand layer accounting for 85% and Shi Ying content reaching 60%, which accelerates the wear of cutter head and cutter. In order to enhance the tunneling ability, the project side tailored a sharp "tooth"-a three-layer cutter for "Jingtong" to reduce the wear during tunneling and optimize the opening rate of the cutter head, so as to finally realize one-time tunneling without changing the cutter. In addition, "Jingtong" is also equipped with optical fiber continuous and hydraulic wear detection devices, which can detect tool wear in real time and adjust shield tunneling parameters in time, so it can be called "intelligent shield machine".

　　Prefabricated U-shaped groove is greatly accelerated.

　　About 300 meters to the east of the shield launching shaft is a U-shaped groove of closed subgrade, from which the train will drive out of the ground in the future.

　　Compared with the fiery scene of the shield launching shaft, the scene of the U-shaped groove is slightly "cold and cheerless", which is a hidden mystery. Of this 461-meter subgrade, 216 meters are prefabricated and assembled with U-shaped groove structure, that is, factory centralized prefabrication, which is mechanically assembled like building blocks on site to achieve safe and rapid construction. It is the first case in the national railway engineering to build a U-shaped groove with prefabricated parts, which fills the technical gap in the assembly and construction of the U-shaped structure of subgrade.

　　Wei Zhe explained that prefabricated assembly has obvious advantages. In terms of personnel, the prefabricated assembly section only needs about 15 workers a day, while the number of people in the pouring section is 4 to 5 times that of the prefabricated section. In terms of time, it takes 15 days to pour the same 18-meter U-shaped groove, and only 5 days to lay it with prefabricated parts, which greatly shortens the construction period. In addition, the amount of steel bars and concrete in precast construction is reduced by 11% and about 45%, which is low in noise and pollution, in line with the trend of green development of buildings and resource conservation and utilization.

　　All-welded steel box arch bridge echoes "Jingfan"

　　Continue to go east, 80 meters east of the U-shaped groove, and the builders are simultaneously building an arch bridge.

　　From the design, this 79.75-meter-long white arch bridge is a double V-shaped suspender structure, which is shaped like a finger and contains the meaning of "victory" and "welcome". The overall shape is like two pairs of swallows flying with their wings spread, echoing each other with the hub "Jingfan" of Beijing Sub-central Station not far away.

　　The reporter learned that the arch bridge crosses Tongji Road, the main road of the city’s sub-center, and is close to beijing-harbin railway and Tongyan Expressway. In order to reduce the impact on the current traffic, the Municipal Major Project Office took the lead in organizing the participating units to optimize the cast-in-place concrete arch bridge with full support into a fully welded steel box arch bridge after many demonstrations. In the future, the construction will be carried out by the scheme of moving horizontally first and then pushing vertically, and the process of factory processing and on-site assembly will also greatly reduce the construction time.

　　"The arch bridge has adopted a brand-new lightweight design. The dead weight of the bridge has been reduced from 4,600 tons to 700 tons, and the steel consumption per linear meter is only 11.2 tons, which can greatly save the steel consumption. This is also the first time that truss steel box arches with sparse suspenders have been used in domestic railway construction. " Liu Lei, senior project manager of the engineering department of Jingtang Company, said that the bridge will also introduce magnetic unmanned video inspection equipment for the first time, which will make the daily maintenance of the steel bridge safer, simpler and lighter, reduce its own maintenance workload and improve the intelligent level of operation and maintenance. (Ren Shan)

　　[car home Information] Recently, we learned from the official that (|) will be officially listed at Chengdu Auto Show in 2024. Based on iCAR 03, the new car is still positioned as a compact pure electric SUV, but it has been upgraded in appearance, cockpit and four-wheel drive system. Previously, the new car was officially unveiled at the 2024 Beijing Auto Show.

　　In terms of appearance, the front part of the new car has a more hard-core off-road design, and the heavy front surround is matched with the red and black contrast design, which makes the new car show a strong sense of strength. In terms of body size, the length, width and height of the new car are 4432/1916/1741mm and the wheelbase is 2715mm respectively.

　　On the side of the car body, the front and rear fenders of the new car adopt wide-body design and are equipped with wider wheel eyebrows, and at the same time, wheel arch vents are formed. The new car is also equipped with six-spoke wheels, and the overall two-color car roof design further enhances the personalized attributes. According to the previous data, the chassis of the new car is raised by 15mm, the no-load ground clearance is 200mm, the approach angle/departure angle/passing angle is 28/31/20 degrees respectively, and the tires are widened by 11mm.

　　In terms of power, the new car will be available in single-motor rear-drive and dual-motor four-wheel drive versions. Among them, the single-motor version has a maximum power of 184 HP and a peak torque of 220 Nm. The dual-motor four-wheel drive version has a maximum power of 279 HP, a peak torque of 385 Nm, a 0-100km/h acceleration of 6.5 seconds, and a maximum cruising range of over 500km. (Text/car home graduated)

Elimination method of Kaiyi Xuanjie maintenance lamp

To eliminate the maintenance lights of Kaiyi Dazzle, you can follow the following steps:

1. Turn off the power: press and hold the OK key on the steering wheel, and press the start key twice in succession, but don’t strike a light.

2. Maintenance to zero: After completing the above steps, wait for 3-5 seconds and then release the OK key. The maintenance light will disappear, indicating that the maintenance zeroing is completed.

The above is a simple way to eliminate the maintenance lights of Kaiyi Xuanjie. After the maintenance light is on, it must be maintained in time to ensure the normal operation of the vehicle. Maintenance can prolong the service life of vehicles, improve driving safety, and ensure the performance and appearance of vehicles. It is recommended to carry out maintenance according to the maintenance cycle specified in the vehicle maintenance manual to ensure the best condition of the vehicle. If you are not sure about the maintenance cycle, you can consult an automobile maintenance expert or the staff of a 4S shop.

The red flag of the Great Hall of the People flutters to welcome the two sessions (photo by Chen Tao)

The 10,000-person Auditorium in the Great Hall of the People (photo by Chen Tao)

An ambulance serving the two sessions (photo by Chen Tao)

Staff in the Great Hall of the People (photo by Chen Tao)

Staff in the Great Hall of the People (photo by Chen Tao)

Security personnel in the Great Hall of the People (photo by Chen Tao)

Security personnel in the Great Hall of the People (photo by Chen Tao)

Security personnel in the Great Hall of the People (photo by Chen Tao)

Service staff in the Great Hall of the People (photo by Chen Tao)

Uniform service staff in the Great Hall of the People (photo by Chen Tao)

Uniform service staff in the Great Hall of the People (photo by Chen Tao)

Area and staff for placing coats (photo by Chen Tao)

Simple security group studio (photo by Chen Tao)

Simple General Affairs Group Studio (photo by Chen Tao)

Water and tea for everyone to drink (photo by Chen Tao)

A place for everyone to rest in the East Hall of the Great Hall of the People (photo by Chen Tao)

Smoking is strictly prohibited in the Great Hall of the People (photo by Chen Tao)

In the East Hall after entering from the East Gate of the Great Hall of the People, there is the largest piano in the world (photo by Chen Tao).

Introduction of the world’s largest piano (photo by Chen Tao)

In the hall, there is the press center of the two sessions set up by Xinhua News Agency (photo by Chen Tao)

This is the interview room of the two sessions set up by Xinhuanet in the Great Hall (photo by Chen Tao)

　　Another place in the Great Hall of the People for staff to eat, the banner "Save food, don’t waste it" is very eye-catching! (Photo by Chen Tao)

Editor: Liu Zhongbo

Topic: "Perception of China" in Israel.

the flag of israel

　　[National Flag] is rectangular, and the ratio of length to width is about 3: 2. The flag is white, with a blue broadband above and below. Blue and white come from the color of the shawl used by Jews in prayer. In the middle of the white flag is a blue six-pointed star, which is the star of King David of ancient Israel and symbolizes the power of the country.

　　[National emblem] is a rectangular coat of arms. There is a seven-branched candlestick on the blue shield. According to records, this candlestick was used to light the altar in the Jerusalem Temple. The candlestick is decorated with olive branches on both sides, symbolizing the Jewish desire for peace. Under the candlestick is written "State of Israel" in Hebrew.

　　[National Anthem] "Song of Hope"

　　[Independence Day] About May of Gregorian calendar. Israel declared its independence on May 14th, 1948. Although the Gregorian calendar is adopted in daily life in Israel, the Jewish calendar is adopted in national festivals. Therefore, the annual independence day is not necessarily May 14th of the Gregorian calendar.

National emblem of Israel

　　[Physical Geography] According to the 1947 United Nations resolution on the partition of Palestine, the area of the State of Israel is 15,200 square kilometers. Located in the west of Asia, bordering Lebanon in the north, Syria in the northeast, Jordan in the east, the Mediterranean Sea in the west and the Gulf of Aqaba in the south, it is the junction of Asia, Africa and Europe. The coastal area is a long and narrow plain, and there are mountains and plateaus in the east. It has a Mediterranean climate.

　　[Population] 6.259 million (2000 statistics, including Jewish residents in the West Bank, Gaza Strip and East Jerusalem), of which Jews account for 76.7%, Arabs, Druze and others account for 23.3%. Hebrew is the national language, and Arabic is the official language, and English is commonly used. Judaism is the state religion. About 85% of the residents believe in Judaism and 13% believe in Islam.

　　[Capital] It was in Tel Aviv when the People’s Republic of China was founded, and moved to Jerusalem in 1950, which was not universally recognized. On July 30, 1980, the Knesset passed a bill declaring Jerusalem as the "eternal and indivisible capital" of Israel, but its seat of government is still in Tel Aviv. "[The status and ownership of Jerusalem has been disputed between Arab countries and Israel, and Arab countries demand that" Israel withdraw from all Arab territories it has occupied since 1967, including Arab Jerusalem (referring to East Jerusalem) ". Most countries that have diplomatic relations with Israel still have their embassies in Tel Aviv]. The population of Jerusalem is about 634,000 (2000).

Editor: Wang Yilin

　　From July 9 to 11, in just three days, the string of Sichuan flood control emergency was tightened again and again. At 7: 00 am on the 11th, Sichuan Flood Control and Drought Relief Headquarters connected Sichuan Hydrology and Water Resources Survey Bureau and several local anti-finger offices through video conference to forecast and dispatch the emergency flood along the river to meet the flood peak. How to schedule? Upstream water, how to store water and flood discharge in the reservoir? How to reduce the impact of flood peak transit on coastal cities? ….. To find out the "details" of the flood, we need to rely on hydrological monitoring and water regime forecasting.

　　In this hydrological information network covering the whole province, the "big data" sent back in real time from hydrological telemetering stations in various river basins provide decision support for flood control and disaster reduction, and make an important staff for the safety of the land of abundance, ranging from analyzing and judging the impact of the flood process to the height of sandbags on the flood front.

　　monitor

　　More than 4,000 telemetering stations in the province transmit hydrological data 24 hours a day.

　　July 12, Chengdu, Yin. In the hydrological duty room of the Provincial Hydrological Bureau, on the hydrological monitoring platform, the minute-by-minute changes of rainfall, water level and flow of major rivers in Sichuan Province are clearly displayed.

　　In this extraordinary period, the main work of the Provincial Hydrological Bureau is to judge and predict the fluctuation of river water level in the future through data, and to predict whether the flood has exceeded the warning or guaranteed water level. "For example, take the forecast of san huang Temple Station in Jintang County as an example. At 17: 00 on July 11, the peak flow rate was 8,000 cubic meters per second, and the actual peak flow rate was 7,810 cubic meters per second, which exceeded the guaranteed water level by 2.64 meters." Chang Gaosong, a senior engineer in the Hydrological Forecasting Department, said, "When it rains, the hourly rainfall analysis is a necessary work link for forecasters. According to the change of rain conditions, they made and released the flood forecast of the corresponding rivers in the rain area. After the flood process ended, they also analyzed and summarized the characteristics of rainstorm and flood. "

　　More than 4,000 hydrological, water level and rainfall telemetering stations scattered around the province transmit hydrological data to the provincial hydrological forecasting center 24 hours a day. They are called "clairvoyant eyes and ears with the wind" for flood control and disaster reduction by people in the industry. The sensors deployed have no dead ends to monitor rainfall or water level changes, and the farthest monitoring "guard" sticks to shiqu county, Ganzi Prefecture.

　　"The collected information is transmitted to the Provincial Hydrological Bureau and the River Basin Bureau through SMS, 4G network, Beidou satellite and other communication methods." Zhao Guomao, the person in charge of the hydrological forecasting center, said that the hydrological forecasting departments in various places will also report the rain, hydrological conditions and forecast information to the local anti-finger department in time, and transmit them to the hydrological forecasting department of the Provincial Hydrological Bureau. "After we receive it, we will discuss it in time and report the analysis results to the provincial flood control headquarters."

　　predict

　　In March this year, it was predicted that there would be a serious flood in Longmen Mountain area this summer.

　　Prevention is better than disaster relief. Real-time rolling update and collection of local data, with 24-hour flood prediction.

　　"In the past, after the rain, it was expected that the river water level would reach the warning water level, so we made flood forecast. But now, as long as there is a blue rainstorm warning and above, we must make flood forecast ahead of time according to the weather forecast." Zhao Guomao introduced that every day at 7: 00 a.m. or 4: 00 p.m., the Provincial Meteorological Bureau will send a weather forecast to the Provincial Hydrological Bureau, and an "alarm" will be sounded from time to time.

　　At 16: 00 on July 10th, the hydrological forecasting center received a yellow rainstorm warning, and the former analyzed the river situation in the rainstorm coverage area according to this information: whether it will exceed the alarm and guarantee, and the fluctuation of flow and water level … one by one, the questions were put on the discussion table. "Although the trend forecast is not very accurate, it can at least allow the flood control department to make preventive deployment in advance." Zhao Guomao said.

　　Through rainfall analysis, we can roughly judge the change of river water level in the region. "The rainfall in a basin will eventually converge into the river, and the hydrological station at the outlet of our river can monitor the water quantity of the whole basin." Zhao Guomao said that they will work out a flood forecasting plan based on the measured rainfall or water level and flow data collected by the station for many years. "But the situation in nature is very complicated, and even the same rainfall will have different water conditions." Therefore, they will analyze the water level and flow of the river after the rainfall according to the forecast scheme.

　　The pre-judgment of the overall flood situation in that year may begin three or four months before the flood season. "In March this year, we analyzed the factors that will affect the climate in Sichuan according to the precipitation law over the years and the climate change this year, such as SST, subtropical high and monsoon." Ju Yumei, a senior engineer of the Provincial Hydrology Bureau, said that it was predicted at that time that there would be a serious flood in the Longmenshan area during the flood season this year.

　　dispatch

　　Dispatch the flood of Mianyang Jiangyou City beyond 100 years into the flood of once every 10 years.

　　To cope with the flood, dispatching the upstream reservoir is a measure to cut off the peak and store the flood, so as to avoid the danger caused by the excessive inflow from the downstream. The storage and discharge of reservoirs, in addition to the storage capacity of reservoirs, the water storage situation of incoming water and hydrological forecast are also the basis for their judgment and control.

　　Since July 9, Sichuan Province has also dispatched some large reservoirs in the upper reaches of the province, such as Zipingpu, to make room for the flow to be put into storage. "In advance of flood discharge, we will make scientific and reasonable dispatching suggestions by analyzing the predicted inflow and combining the rainfall data. The most important thing is to consider the flood control safety of the reservoir and the downstream."

　　Zhao Guomao said that when the flood peak arrives, the reservoir that makes room will also play the role of flood detention. According to the plan, some floods will be intercepted, and the amount of water entering the downstream will be adjusted to ensure the safety of the downstream. "Don’t underestimate the flood detention function. The total flood detention of only three reservoirs during this flood is equivalent to the storage capacity of 8.5 large-scale water conservancy projects."

　　"The whole dispatching has really played a great role. The incoming traffic is getting bigger and bigger, and the outgoing traffic is still in a stable state." Zhao Guomao, for example, said that the Zipingpu Reservoir in Minjiang River Basin timely dispatched and controlled the discharge, which gained valuable time for the rescue of Jinma River downstream. Wudu Reservoir in Fujiang River Basin pre-discharges ahead of schedule, and adjusts the flood with a return period of over 100 years in the main stream into a flood with a return period of 50 years; Tingzikou Reservoir in Jialing River Basin pre-discharges ahead of schedule and timely dispatches, and adjusts the flood with a return period of over 50 years in the main stream into a flood with a return period of 10 years. In addition, by pre-discharging the reservoir in advance, the once-in-100-year flood in Mianyang city is scheduled to be a once-in-50-year flood, and the once-in-100-year flood in Jiangyou city of Mianyang is scheduled to be a once-in-10-year flood. (Reporter Yang Chen, trainee reporter Yang Jinzhu)