“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	active set method active-set method active shape models active shape models, ASM active shielding active silicon active single pulse radar homing guidance active sintering active site active soil organic matter active solids active sonar active source electrical method active species catalyst active spectroscopy active squeeze film damper active star active structural acoustic control active structure-borne noise control active sun active sunspot active-sunspot prominence active surface active surveillance active suspension control

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。