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| 长三乙/远征一号运载火箭成功发射第50、51颗北斗导航卫星（英文） | |
| 摘 要： | <正>China sent the 50th and 51st satellites under the BeiDou Navigation Satellite System into space atop a LM-3B/Yuanzheng I carrier rocket from the Xichang Satellite Launch Center at 08:55 Beijing time on November 23,20 19.The two satellites entered their preset orbits successfully. |
| 本文献已被 CNKI 等数据库收录！ | |