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  • Updated: 2021-12-28
  • Views: 1414
In 1993, China's Yinhe freighter set out from Tianjin to the Middle East. At that time, China did not develop a satellite positioning system. The GPS of the United States was used on the ocean freighter. When the freighter sailed to the 16th day, the
  • Updated: 2021-12-28
  • Views: 1396
Our Beidou satellite navigation system has been fully completed. Once a war breaks out, will the United States lose its combat effectiveness as long as it attacks our Beidou and makes it ineffective? The United States not only has a strong combat
  • Updated: 2021-12-28
  • Views: 1449
With the development of science and technology, China's development in various fields has entered a new stage. For example, for the satellite positioning system we use every day, countries all over the world basically need to use the GPS satellite pos
  • Updated: 2021-12-28
  • Views: 1783
In modern war, the mode of operation has changed greatly. The simple fire output can not meet the needs of war. Various high-tech equipment has greatly improved the combat strength of the army and can bring more fatal blows to the enemy. Many weapons and
  • Updated: 2021-12-28
  • Views: 1495
With the development of modern science and technology, the competition among countries has risen to the field of space. By installing satellites in space, we can investigate and map other countries. The GPS global positioning system of the United States h
  • Updated: 2021-12-28
  • Views: 1878
Shenzhen City on support Opinions on the development of satellite and application industry In order to seize the strategic opportunity for the development of satellite and application industry, give full play to the advantages of developed informa
  • Updated: 2021-12-28
  • Views: 1593
According to statistics, more than 80% of peopleTime spent in buildings, mobile vehicles, underground and other non exposed spaces.As a typical scene of non exposed space, urban rail transit (hereinafter referred to as "urban rail") is not only
  • Updated: 2021-12-28
  • Views: 1505
Recently,MEG intelligence cooperates with Yunsheng intelligence, a domestic manufacturer of large industrial UAVs and full-automatic airports, a new generation of adaptive 5g network is launched for the power industry"Killer whale III"Fully auto
  • Updated: 2021-12-28
  • Views: 1336
If the sub 6GHz 5g network is compared to the expansion of a single lane highway in an old city, millimeter wave 5g is equivalent to the construction of a new four to eight lane highway in a new city. Compared with sub 6GHz, m
  • Updated: 2021-12-28
  • Views: 2089
What kind of stars should students in the new era pursue? Scientists are undoubtedly the most dazzling star in the vast starry sky On May 4, Xu Ying, the "goddess of the Big Dipper" and Huang Shiqing, the second prize winner of the Nat
  • Updated: 2021-12-28
  • Views: 1547
The global 5g network frequency band is mainly divided into sub-6ghz frequency band and millimeter wave frequency band. 5g millimeter wave network and sub-6ghz network are not the opposite relationship of "only one of the two can choose", but th
  • Updated: 2021-12-28
  • Views: 1595
"Scientific Chinese" cover character - Liu Ying On November 1, 2016, amid roars and cheers, two my country's advanced fourth-generati……
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