“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	perturbation of a linear system perturbation of an operator perturbation of a semigroup perturbation of a spectrum perturbation of dark matter perturbation of entropy perturbation of operator perturbation parameter perturbation power spectrum perturbation sampling perturbation scheme perturbation series perturbations on sub-Planckian scale perturbation spectrum perturbation term perturbation theory perturbation theory for operator semi-group perturbation theory for operator semigroup perturbation theory in quantum mechanics perturbation theory of solitons perturbation theory of spectrum perturbative body perturbative force perturbative invariant perturbative method

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