“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	distribution with positive skewness distribution zonality of renewable resources distribution多元超几何分布 distributive distributive algebra distributive binary operation distributive composition law distributive element distributive ideal distributive identity distributive inequality distributive lattice distributive law distributively generated near-ring distributive map of exploration engineering in ore district distributive module distributive multiplication distributive operation distributive operator distributive property distributive quasigroup distributive reading distributive ringoid distributive shock distributivity

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。