“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	online seals program online searching system Online shopping online shopping scam on-line slurry particle size distribution analysis online social movements online sparking test instrument Online store Online supply chain on-line system online system on-line task processing on-line test on-line test routine online to offline Online tourism on-line transaction processing online transaction processing，OLTP Online travel service providers online trust Online trust-building mechanism on-line unit on-line unit, on-line equipment online video on-link care-of address

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。