“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	punctuated equilibrium paradigm punctuated-equilibrium theory punctuation punctuation and criticism punctuation marks punctuation symbol punctum puncture puncture counter punctured punctured ball punctured code punctured complex plane punctured disc punctured manifold punctured plane punctured projective line punctured set punctured space punctured sphere Pune Punga Mare pungi Punic civilization Punic Wars

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