“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	State Council of the People's Republic of China State Council Three Gorges Project Construction Committee Office state density state-dependent model state diagram stated preference method State Duma State Education Commission State Education Law 1953 state equation state equation of atmosphere state equation of dielectric state equation of gas state equation of paramagnetic salt state equation of quantum ideal gas state equation of solid state equation of stretched wire state equation of superconductor state equation of surface system state equation parameter mixing rule state equation parameters state estimation state estimation fault diagnosis method state estimation of decentralized systems state estimator

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