“经济阈值”的概念、定义、翻译、参考文献-科学参考

单词	经济阈值
释义	经济阈值 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	double surface double suspension double-sweep method double swing door double symbol of an operator double system doublet double-tagged PCR double tagging double-tagging double-tailed test double talk double tangent double-tangential knot doublet antenna double taxation double taxation conventions double-taxed household doubleteeth pubescent angelica root double tensor doublet flow doublet function double thread polymer double-time Green function double-time Green's function

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。