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

单词	economic threshold
释义	economic threshold Encyclopedia 农学经济阈值释 economic threshold; ET经济阈值采用防治措施阻止害虫种群密度增长，以免达到经济损害允许水平的虫口密度。又称防治指标、防治阈限。
随便看	rocky coast rocky core rocky desert rocky desertification rocky desertification in China rocky design rocky dwarf rock yield stress Rocky Mountain National Park Rocky Mountain News Rocky Mountains Rocky Mountain spotted fever rocky planet Rocky pumped-storage power station Rock’n Roll Rococo Rococo costume Rococo gardens rococo style rocuronium ROC曲线 rod rod-and-frame apparatus rod and wire continuous casting and rolling rod-arithmetic

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