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| 有机合成农药 | |||
| 有机农药 | |||
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| 有机农药 | |||
| organic pesticide: 17 phrases in 6 subjects |
| Agriculture | 3 |
| Animal husbandry | 1 |
| Chemistry | 2 |
| Ecology | 2 |
| Technology | 6 |
| Water resources | 3 |
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