Beidou Satellite Navigation system is a global satellite navigation system developed by China, and it is also the _________ mature satellite navigation system.
A: first
B: second
C: third
D: fourth
A: first
B: second
C: third
D: fourth
举一反三
- China's independently developed navigation system is ( ). A: GPS system B: GLONASS system C: Beidou system D: Galileo satellite navigation system
- Which<br/>one of the world's four largest satellite navigation systems has the<br/>short message communication function? ____. A: GPS<br/>navigation system B: GLONASS<br/>navigation system C: Beidou<br/>Navigation Satellite System D: Galileo<br/>satellite navigation system
- Beidou satellite navigation system, which is independently developed in China, has been used in China’s high-speed railway.
- Navigation Satellite System
- Which satellite navigation system is developed by China? A: GPS B: GLONASS C: BDS