“population density of pest”的概念、定义、翻译、参考文献-科学参考

单词	population density of pest
释义	population density of pest Encyclopedia 农学虫口密度释 population density of pest虫口密度一定时间和空间单位上某一种昆虫种群的绝对数量或相对数量。又称害虫种群密度。
随便看	face grinding face grinding machine face hobbing method face-inspection, system of face milling method face of a convex set face of a dihedral angle face of a polyhedron face of a polytope face of a simplex face of simplex face-on galaxy face-on object face-on spiral galaxy face operator Face Paintings of Chinese Operas face paintings of Kunqu opera face perception facepiece face plate faceplate face presentation face pumped laser face-pumped laser face-pumping

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。