“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	network technology law network text analysis network theory network thesaurus network time service network time services network topology network topology connection network topology discovery network topology measurement network traffic identification network TV set-top box network user behavior network variety art network video recorder Network video surveillance system network virtualization,NV Network virtual society network virtual team network virtual terminal network virtual terminal, NVT network visualization Network Voting network weaving network weight

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。