“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	harmonic solution harmonic sound harmonic space harmonic spinor field harmonic structure harmonic subspace harmonic surface harmonic synthesis harmonic system of points harmonic theorem harmonic triangle harmonic vector harmonic vector field harmonic vibration harmonic wave harmonious design harmonious graph Harmonious Purchase harmonious society management harmonious tree Harmonium harmonium harmonizable harmonizable dynamical system harmonizable function

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