“natural family planning”的概念、定义、翻译、参考文献-科学参考

单词	natural family planning
释义	natural family planning Encyclopedia 医学避孕释 natural family planning自然避孕法根据女性月经周期和周期中出现的症状与体征，间接判断排卵过程，识别排卵前后的易受孕期，进行周期性禁欲而达到避孕的方法。又称安全期避孕法。
随便看	Museum Research museum resource museum resource raising museum restaurant Museum Rietberg museum safety management system museum salary Museums and the Shaping of Knowledge Museums Association （UK） museum & school cooperation museum science education museum security museum security and risk evaluation Museums Evaluation Method (Trial) Museums for the 1980s: A Survey of World Trends Museums in Motion: An Introduction to the History and Functions of Museums Museums: In Search of a Usable Future museum site selection museum social relations management museum social service Museums of Influence museum souvenir Museums: Their History and Their Use museum store Museum Store Association

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。