“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	significant difference significant digit significant digits significant figure significant figures Significant New Drug Creation Technology Major Project significant other significant value significant wave height signific component signific symbol abbreviation sign invariance principle sign language sign, language and knowledge Sign Language Corpus sign language development sign language interpreting sign learning theory signless signless number sign magnitude sign magnitude representation sign magnitude, sign magnitude representation sign of absolute value sign of addition

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