“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	regular compensation regular complete intersection regular complex function regular component regular composition regular conditional distribution regular conditional probability regular cone regular confidence region regular configuration regular congruence regular conic section regular conjugate bases regular continuation regular continued fraction regular control regular convergence regular convex polyhedron regular convex surface regular coordinate functions regular covering regular covering space regular covering surface regular curve regular cusp

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