目的研究醚菊酯的合成工艺路线及其对常见卫生害虫杀灭效果。
Objective To study the composition route and efficacy against insects of etofenprox.
他以强有力的反对使用化学药品杀灭害虫而闻名。
He is famous for vigorously opposing the use of chemicals to kill pests.
该公司希望该程序能够帮助农民决定种什么，以及何时使用化学品来改善作物生长情况及杀灭害虫。
It hopes the program will help farmers decide what to plant, and when to use chemicals that improve growth and kill insects.
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