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航摄机 : 65 phrases in 11 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Cartography | 1 |
| Earth sciences | 2 |
| Electronics | 1 |
| Engineering geology | 2 |
| General | 2 |
| Oil / petroleum | 3 |
| Remote sensing | 2 |
| Space | 3 |
| Technology | 47 |
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