“虫口密度”的概念、定义、翻译、参考文献-科学参考

单词	虫口密度
释义	虫口密度 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	high enriched uranium high enriched uranium (HEU) high enthalpy hypersonicwind tunnel high enthalpy shock tunnel high entropy alloy high-entropy alloy coating high-entropy alloy with high cryogenic fracture toughness higher algebra higher algebraic K-theory higher aliphatic acid higher aliphatic alcohol higher aliphatic hydrocarbon higher arithmetic higher axiom higher-carbon sugar higher Chow group higher-codimensional surface higher cohomology operation higher commutator higher covariant derivative higher-degree equation higher derivative higher derivative terms higher difference higher differential

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。