“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	the optimal prevention The Optimist's Daughter The Orchid Is Just Planed the orchid pavilion the order of love The Ordinary the ordinary person The Ordinary World theorem theorema egregium theorema egregium; remarkable theorem theorem of alternative theorem of angular momentum theorem of approximation theorem of arithmetic progression theorem of butterfly theorem of choice theorem of complementary slackness theorem of completeness theorem of cosines theorem of decomposition theorem of dependence theorem of derivative theorem of division algorithm theorem of double ratio

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。