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| 北偏: 42 phrases in 12 subjects |
| Agriculture | 3 |
| Desert science | 10 |
| Drilling | 1 |
| Earth sciences | 3 |
| General | 4 |
| Geology | 2 |
| Geophysics | 2 |
| Nautical | 3 |
| Navigation | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Technology | 11 |
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