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。
Beidou double-star positioning system is built up by our country.
北斗双星定位系统(简称双星定位)是我国自行建立的一种定位系统。
Beidou double-star positioning system is built up by our country.
北斗双星定位系统(简称双星定位)是我国自行建立的一种定位系统。
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