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controlling parasite; insect enemies | |||
biocontrol agent; natural predator | |||
natural enemy | |||
controling parasite; native predator |
天 敌 : 17 phrases in 7 subjects |
Agriculture | 5 |
Air defense | 1 |
Animal husbandry | 1 |
Chemistry | 1 |
Ecology | 4 |
Space | 2 |
Technology | 3 |