| |||
global positioning satellite system | |||
global positioning system | |||
global positioning system (GPS) | |||
global positioning satellite/system |
全球卫 星 定位系统 : 16 phrases in 12 subjects |
Air defense | 1 |
Automobiles | 3 |
Business | 1 |
Cartography | 2 |
Earth sciences | 2 |
Electronics | 1 |
Information technology | 1 |
Nautical | 1 |
Navigation | 1 |
Space | 1 |
Technology | 1 |
United Nations | 1 |