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定向测距 : 42 phrases in 14 subjects |
| Agriculture | 2 |
| Air defense | 1 |
| Aviation | 5 |
| Business | 1 |
| Earth sciences | 4 |
| Electronics | 5 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 3 |
| Geophysics | 6 |
| Missiles | 1 |
| Navigation | 1 |
| Oil / petroleum | 2 |
| Space | 4 |
| Technology | 6 |
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