“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	geoid geoidal height geoidal horizon geoidal surface geoid height geoid separation geoid surface geoid undulation geoid variation GEO -IK satellite geoinduction geo-Info spectrum for human settlements in mountainous areas Geo-Info-TUPU geokinetics geolipids Geolog geological advanced prediction geological age geological and mineral remote sensing survey geological and seismic disasters in China geological body Geological Bulletin of China geological cartography geological characteristics of rock mass geological compass

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。