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| 卫星对地观测 | |||
| satellite earth observation: 45 phrases in 10 subjects |
| Aviation | 3 |
| Cartography | 3 |
| Earth sciences | 7 |
| Electronics | 3 |
| Geology | 1 |
| Geophysics | 3 |
| Remote sensing | 1 |
| Space | 19 |
| Technology | 4 |
| United States | 1 |
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