In 1977, the first artificial satellite launched by US carried one of guqin-played music named __________.
发布时间:2024-06-21 15:43:10
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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.