“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	production acceptance test production activities take priority, followed by living security production activity control production adjective platform productionalization of rocket body structure Production and Application of Starch Sugar Handbook production and construction corps production and consumption production and development geochemistry production and modes of pruduction production approach production balancing production breakdown interface of aircraft structure production budget production capability planning Production Capacity production capacity of level production capacity of open pit production committee mode production compilation production control production control of performance production cost production data warehouse production decline rate

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。