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输送中 : 16 phrases in 10 subjects |
| Ecology | 1 |
| Electronics | 1 |
| Finances | 1 |
| General | 1 |
| Metallurgy | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 1 |
| Project management | 1 |
| Technology | 7 |
| United Nations | 1 |
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