双通道卫星导航仪
dual channel satellite navigator
Galileo卫星导航系统
Galileo stellite navigation system
北斗二代卫星导航系统
Beidou 2nd generation satellite navigation system
北斗二卫星导航
BD2 navigation satellite system
北斗双星导航定位系统
Beidou star’s navigation and orientation system
Beidou RDSS
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 satellite system
Beidou navigation system
Compass
北斗卫星导航应用
Compass satellite navigation application
导航星
guide star
navigation stars
navigational star
navigational stars
Autologous platelet-rich gel
导航星分布
Distribution of guide stars