1 and Chang 'e IV landed on the moon for the first time.
On 20 19, 19, Chang' e-4 successfully landed in the pre-selected landing area on the back of the moon, and sent back the world's first close-up image of the back of the moon through the "Queqiao" relay star. This mission realized the first soft landing of human probes on the back of the moon, and unveiled the mystery of the ancient back of the moon for the first time.
The first sea rocket launch was successful.
2065438+June 5, 2009, China successfully launched the technical experimental satellites A, B and five commercial satellites in the Yellow Sea with the Long March 11 sea-launched carrier rocket, and the test was successful. This is the first time that China has conducted launch technology test of launch vehicle at sea.
Beijing Daxing International Airport has created many world firsts.
On September 25th, 20 19, Beijing Daxing International Airport was officially put into operation. Daxing International Airport covers an area of 6.5438+0.4 million square meters, and has the world's largest single terminal building, the world's most difficult terminal building, the world's largest isolation and load-bearing terminal building, and the world's largest integrated terminal building without structural joints.
4. Leading the field of communication technology for the first time.
The curtain of 5G in 2065438+2009 has been steadily opened in China, and some 5G standards customized by many China enterprises have become international standards. Statistics show that enterprises in China account for more than 30% of the global list of essential patent applications for 5G standards, ranking first in the world.
5. The tonnage of warships launched ranks first in the world.
In 20 19, China warships launched 9 destroyers, 1 integrated supply ship, 1 integrated landing ship, 1 amphibious assault ship, 12 light frigate, with a displacement of 200,000 tons, surpassing that of the United States, which launched150,000 tons, ranking first in the world.
6. The total operating mileage of high-speed rail ranks first in the world.
20 19 12.30, Beijing-Zhangjia high-speed railway (including Chongli railway), Zhangjiakou-Datong high-speed railway and Zhang Hu high-speed railway Zhangjiakou-Wulanchabu section were officially opened for operation. By the end of 65438+February, there were 1 1 high-speed rail lines in China, with a total operating mileage of 35,000 kilometers, ranking first in the world.
7. The number of space launches ranks first in the world.
Up to February 30th, 20 19, China, the United States, Russia, Europe and other major space countries and entities have carried out more than 100 space launches, making the number of launches in 20 19 exceed 100 for the second consecutive year after 20 18. China ranks first in the global space launch list with 34 space launches.
China Daily-Illustration | 20 19 Those firsts created by China