relative control efficacy

• 防效

relative control efficacy的用法和样例：

例句

1. Field efficacy trials indicated relativity good control of banana sigatoka leaf spot disease.
   田间药效试验结果表明，对香蕉叶斑病有较好的防效。
2. The mixture of a moderate dose of triazophos and other pesticides improved-pests control effects and guaranteed the safety of crab.
   适量施用三唑磷并与其它药剂混配，达到既能使河蟹安全生长又对水稻害虫有较好防效的目的。