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衰减子 : 63 phrases in 12 subjects |
| Air defense | 2 |
| Computers | 1 |
| Earth sciences | 1 |
| Electric machinery | 1 |
| Electronics | 5 |
| Engineering geology | 1 |
| Geophysics | 28 |
| Nautical | 1 |
| Oil / petroleum | 10 |
| Remote sensing | 1 |
| Technology | 10 |
| Wind Energy | 2 |
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