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阴波 : 33 phrases in 10 subjects |
| Agriculture | 1 |
| Aviation | 2 |
| Ecology | 1 |
| Electronics | 4 |
| General | 3 |
| Geophysics | 4 |
| Information technology | 1 |
| Metallurgy | 4 |
| Oil / petroleum | 3 |
| Technology | 10 |
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