“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	machine-readable archives machine readable catalogue format machine-readable catalogue,MARC machine-readable dictionary machine-readable documents machine-readable form machine reliability machine-representable language machine run machinery machinery balancing machinery breakdown insurance machinery design machinery for grassland improvement and maintenance machinery harvest machinery parameter design Machinery Pavilion of Paris World Expo machinery safety machinery status recognition machine scheduling problem machine spindle assembly machine-spoiled time machines, tools, equipment and work aids machine time machine to machine communication

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。