“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	Greater Shanghai urban construction plan Greater Snow Greater Sunda Islands greater than greater than or equal to greater than sign greater tube-nosed bat Greater Yuezhi Buddhism greatest brilliancy greatest common denominator greatest common divisor greatest common divisor theorem greatest common factor greatest common measure greatest common submodule greatest dividing exponent greatest eastern elongation greatest element greatest elongation greatest ideal greatest integer function greatest lower bound greatest north latitude greatest partition greatest prime factor

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。