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

单词	natural fertility
释义	natural fertility Encyclopedia 法学自然生育率释 natural fertility自然生育率不存在任何有意识的生育控制条件下的生育率。
随便看	air-launched launch vehicle air launched sounding rocket air launch test air law air leakage of sintering machine air lens airless spraying air level air lift air-lift bioreactor airlift fermentor air lift pump airline alliances Airline Deregulation Act(U.S.) Airline Electronic Engineering Commission airline network airliner Airline Schedule air liquefaction airload air lock airlock air-locked airlock module air mail stamp

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。