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黑 染黑 : 24 phrases in 10 subjects |
| Agriculture | 7 |
| Animal husbandry | 1 |
| Chemistry | 3 |
| Dermatology | 1 |
| Ecology | 1 |
| General | 4 |
| Nursing | 1 |
| Reproductive biology | 1 |
| Technology | 3 |
| Textile industry | 2 |
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