“少子化”的概念、定义、翻译、参考文献-科学参考

单词	少子化
释义	少子化 Encyclopedia 理学人口统计学释 babybust少子化一个社会中随着人口总和生育率下降，少年儿童（0-14岁）占总人口比重降低的现象。一般将一个国家的总和生育率长时间低于维持人口长期稳定发展的更替水平（2.1），界定为少子化。
随便看	Team Dance of Zhezhi Team Dance of Zuihuteng team decision theory team delegation theory team development tea medium sprouting variety Team for the Cultural Revolution, Central Committee of CPC team identity team leader training team learning team-level safety education Team of Elderly Person on Birthday Team of Liyue Team of Shuofa Team of Yueyinwang tea moisture determination tea monopoly team-open of Summer Paralympics team orienteering team performance Team performance bonus team performance measurement dimension team production team pursuit team race in figure skating

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。