北斗卫星导航定位系统
Compass satellite navigation system
KeywordBeidou satellite navigation guiding and positioning system
伽利略卫星导航定位系统
Galileo satellite navigation system
全球卫星导航定位系统
GNSS
global navigation satellite system
Global Navigation Satellite System GNSS
卫星导航定位系统
Global Position System GPS
GNSS
satellite navigation positioning system
satellite navigation location system
Satellite navigation and positioning system
生态系统退化的价值损失
lost value of ecosystem degradation