目前，正在实施建设北斗卫星导航系统。
At present, the building of COMPASS Navigation Satellite System is proceeding.
卫星导航系统。
预计在2020年提供覆盖全球的全球卫星导航系统。
The network is scheduled to provide global services by 2020.
伽利略卫星导航系统的第一颗实验卫星已经发射到太空。
Currently, The test Satellite GIOVE-A of Galileo Satellite Navigation System has been launched.
讨论了区域卫星导航系统卫星星座设计中所用卫星轨道类型。
The orbit of the satellite constellation for local navigation system is discussed.
北斗导航系统成为第三个面向国际航海应用的全球卫星导航系统。
The Beidou navigation Satellite System has become the third GNSS applied in international navigation.
北斗导航系统成为第三个面向国际航海应用的全球卫星导航系统。
The Beidou navigation Satellite System has become the third GNSS applied in international navigation.
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