北斗双星
Beidou double-star
beidou satellite navigation
Beidou double-stars
北斗双星导航定位系统
Beidou star’s navigation and orientation system
Beidou RDSS
北斗双星定位系统
Double star system
BD-1 dual-satellite position system
beidou double satellite system
Beidou positioning system
北斗卫星导航定位系统
Compass satellite navigation system
KeywordBeidou satellite navigation guiding and positioning system
北斗卫星导航系统
Beidou satellite navigation system
Beidou navigation system
Compass
Beidou navigation satellite system
北斗卫星导航应用
Compass satellite navigation application
北斗卫星定位系统
Satellite location system of BEIDOU
Beidou satellite navigation and position system
the bei-dou satellite navigation system
北斗无源定位
Beidou passive positioning