“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	Plays from the Samatha Studio plays of Yicheng Mulian drama Play the Guqin and Savor the Tea play theory play theory of psychoanalysis school play theory of social cultural-historical school play theory of the cognitive development school Play Therapy play therapy Play the role of children in Chinese Opera play-the-winner Play with Colt playwrights or performers in the Shuhui (Book Guild Hall) of Song and Yuan dynasties Playwright Studies playwriter Plaza Accord Plaza Independencia PLC PLC control system PLCH P. L. Chebyshev P. L. Chebyshev (1821—1894) P-L-C relation PLC控制系统 PLD

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