“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	axiom of completeness axiom of comprehension axiom of congruence axiom of connection axiom of constructibility axiom of constructivity axiom of continuity axiom of countability axiom of countable choice axiom of denumerability axiom of dependent choice axiom of determinacy axiom of determinacy (AD) axiom of domination axiom of elementary sets axiom of empty set axiom of equality axiom of existence axiom of extensionality axiom of foundation axiom of free mobility axiom of identity axiom of inaccessibility axiom of incidence axiom of induction

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。