“外用避孕”的概念、定义、翻译、参考文献-科学参考

单词	外用避孕
释义	外用避孕 Encyclopedia 医学外用避孕释 barrier methods外用避孕用物理方法（机械阻挡）不让精子到达子宫腔内，或用化学制剂在阴道内灭活精子，也可两者结合，以此阻挡精、卵相遇而避孕的方法。
随便看	species red list species-removal experiment species richness species saturation species scaling species selection species-specific nested PCR species transfer species tree specific specific absorption rate，SAR specific absorptivity specific acoustic impedance specific acoustic impedence specific acoustic reactance specific acoustic resistance specific activity specific acupoints for infantile tuina specific adsorption specific adsorption of soil specifically labeled compound specification specification analysis of trace elements specification and grade of Chinese materia medica Specification for Condition Check of Museum Objects for Exhibition

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。