“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	alanate Alan Ayckbourn Alan Bennett Alan Cooper Alan Curtis Kay Al-Andalus Literature Aland Islands Neutralization A Land So Rich in Beauty A land taxation system implemented during the Eastern Jin Dynasty Alan Graham MacDiarmid Alan Hovhaness alanine alanine aminotransferase alanine aminotransferase，ALT alanine scanning Alan Jay Heeger Alan Mak Alan Marshall Alan Mathison Turing alanosine Alan Parkhurst Merriam Alan-qoḥa Alan Rickman Alan Sillitoe Alan Stewart Paton

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