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元 反应 : 38 phrases in 12 subjects |
| Agriculture | 2 |
| Aviation | 2 |
| Electronics | 4 |
| Genetics | 6 |
| Metallurgy | 4 |
| Oil / petroleum | 4 |
| Oil processing plants | 1 |
| Otorhinolaryngology | 2 |
| Polymers | 1 |
| Space | 2 |
| Sports | 3 |
| Technology | 7 |
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