What is the name of the product? A: Beidou Star B: Beidou (Compass) Navigation S atellite System C: Beijing Satellite System

BeiDou卫星导航系统建设过程遵循( )原则。

Beidou __________(导航卫星系统) is now providing global navigation and positioning services.

Beidou is China's _________ satellite navigation system. A: the largest B: largest C: large

我国的卫星导航系统是（） A: GLONASS B: GPS C: BEIDOU D: GALILEO

GNSS可用的卫星导航系统（） A: GPS B: Galileo C: Beidou D: 以上都可用

‎Beidou satellite navigation system, which is independently developed in China, has been used in China’s high-speed railway.​‎​

全球导航定位系统的简称现在一般是：（） A: GPS B: GNSS C: BEIDOU D: RTK

Beidou began providing positioning, navigation, timing and messaging services to civilian users in China and other parts of the Asia-Pacific region before December 2012.

China's independently developed navigation system is ( ). A: GPS system B: GLONASS system C: Beidou system D: Galileo satellite navigation system