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结构均匀 : 33 phrases in 11 subjects |
| Animal husbandry | 1 |
| Electronics | 2 |
| Engineering geology | 1 |
| General | 1 |
| Geophysics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 7 |
| Multimedia | 1 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 14 |
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