“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	agricultural technology evolution agricultural technology extension agricultural technology extension agents agricultural technology for anti-drought agricultural technology Innovation diffusion agricultural technology progress agricultural technology promotion and plant protection subsidies agricultural technology revolution agricultural temperature resources agricultural territorial division agricultural territorial pattern agricultural territorial specialization agricultural territorial system agricultural territorial type agricultural textiles agricultural thought in modern China agricultural total factor productivity statistics agricultural tourism agricultural tractor agricultural tradeconditions agricultural trade policy agricultural trailer agricultural transgenic organisms agricultural transport vehicle agricultural UAV

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。