【单选题】The satellite sent into space in__________ is in orbit__________ above earth.
发布时间:2024-05-12 10:27:47
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The first Beidou satellite has not been retired.
B:China launched the final satellite of BDS successfully on July 23, 2020.
C:China should have its own satellite navigation system in the navigation application market.
D:The 55th Beidou satellite was sent into space from the Jiuquan Satellite Launch Center.
2 The rising population of space debris increases the potential danger to all space vehicles, but especially to the International Space Station, space shuttles and other spacecrafts with humans on board.