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| stellar based global positioning system | |||
| stellar-based global positioning system | |||
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卫 星 全球定位系统 : 19 phrases in 14 subjects |
| Air defense | 1 |
| Automobiles | 3 |
| Cartography | 2 |
| Earth sciences | 2 |
| Electronics | 2 |
| Engineering geology | 1 |
| Information technology | 1 |
| Mountaineering | 1 |
| Multimedia | 1 |
| Nautical | 1 |
| Navigation | 1 |
| Space | 1 |
| Technology | 1 |
| United Nations | 1 |
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