“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	sound card sound change sound channel sound column sound combination sound concentration sound concentrator sound conductivity sound correspondence sound counterpoint sound crossbeam sound cut out or cut in Sound Department of School of Television Arts, Zhejiang University of Media and Communication sound designer sound detector sound director sound discrimination sound discrimination training sound dispersion sound dissipation factor sound distortion sound distribution sound drag sound duct sound editor

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