“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	Gauss polynomial identity Gauss polynomial theorem Gauss principle Gauss problem Gauss process Gauss quadrature Gauss quadrature formula Gauss random variable Gauss reciprocity law Gauss reciprocity theorem gauss reduction Gauss root theorem Gauss-Seidel iteration Gauss-Seidel iteration method Gauss Seidel iterative method Gauss-Seidel iterative method Gauss-Seidel method Gauss semigroup Gauss series Gauss's flux law Gauss's law Gauss's theorem Gauss's Theorema Egregium Gauss's theorema egregium Gauss sum

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。