periodic pest control的意思|示意
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定期防治病虫害
periodic pest control的网络常见释义
定期除害 ... 军事武器Military ordnance disclosure 定期除害periodic pest control 梅根法数据库披露Megan’s Law ...
periodic pest control相关例句
In this paper predator-prey systems with periodic impulsive effect concerning pest control are proposed through biological control and chemical control.
摘要本文通过生物控制和化学控制提出了具有周期脉冲效应与害虫控制的捕食系统。