“economic injury level”的概念、定义、翻译、参考文献-科学参考

单词	economic injury level
释义	economic injury level Encyclopedia 农学经济损害允许水平释 economic injury level; EIL经济损害允许水平作物因虫害造成的损失与防治费用相等时的关键性种群密度或作物受损害程度。又称经济损害水平。
随便看	derivation algebra derivation formula derivation module derivation of a field derivation of a Lie algebra derivation of an algebra derivation of a polynomial derivation of a ring derivation rule derivation tree derivation weaves derivative derivative control derivative coupling derivative deposits derivative dictionary derivative forward backward semiclassical dynamics derivative forward-backward semiclassical dynamics derivative-free derivative-free method derivative function derivative in a direction derivative in mean square derivative magma derivative of a distribution

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