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互 变异 : 49 phrases in 12 subjects |
| Agriculture | 12 |
| Animal husbandry | 1 |
| Chemistry | 15 |
| Desert science | 1 |
| General | 5 |
| Genetics | 3 |
| Metallurgy | 1 |
| Molecular genetics | 1 |
| Oil / petroleum | 2 |
| Polymers | 1 |
| Reproductive biology | 1 |
| Technology | 6 |
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