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| 全球卫星导航系统 | |||
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global satellite navigation system : 24 phrases in 12 subjects |
| Air defense | 1 |
| Aviation | 2 |
| Desert science | 1 |
| Earth sciences | 2 |
| Electronics | 3 |
| Information technology | 1 |
| Nautical | 2 |
| Navigation | 2 |
| Space | 7 |
| Technology | 1 |
| United Nations | 1 |
| United States | 1 |
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