... 怪物农场ol monster farm online 生物农药 biological control agent; biological pesticide; biopesticide; biotic pesticide 生物农业 biological agriculture; biological husbandry ...
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Once a biological control agent is released, it is difficult to control its speed.
一旦实施了生物控制手段,它的速度就很难控制。
The test result showed that enzymatic treatment agent is a non-polluting and effective method for control of biological slime in industrial circulating water system.
试验证明,酶处理是一种绿色、能有效控制循环冷却水系统中生物粘泥的方式。
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