“barrier methods”的概念、定义、翻译、参考文献-科学参考

单词	barrier methods
释义	barrier methods 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	mixed quadratic equation mixed reality mixed reality application mixed recessive game mixed recording process workflow mixed recurring decimal mixed-refrigerant cycle liquefaction process mixed refrigerant refrigeration process Mixed Research Method mixed residential buildings Mixed rhyming mixed rope mixed Rossby-Gravity waves mixed rotation mixed sampling mixed sandwich complex mixed satin mixed-scanning model mixed-secular term mixed side condition mixed-signal circuit mixed signal oscilloscope mixed situation mixed slope of rock and soil mixed spectrum

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。