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 road network map series: National Atlas of the road network and road mileage.
北斗公路网地图系列：国家公路网及公路里程地图集。
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.
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。
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