送交者: gadfly 于 2007-04-20, 11:10:26:
回答: steven, 查一下是真是假? 由 xinku 于 2007-04-20, 11:02:38:
Beidou 2A is a Chinese experimental navigational satellite that was launched by a Long March 3-A rocket from Xichang Satellite Launch Center in Sichuan Province at 16:28 UT on 02 February 2007.
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