“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	special geometry special geomorphology special government allowances of the state council special graph algorithm special graphs special group special hematological test Special Higher Police special homology manifold special housing special hunting license special impressions and marks examination special income special information science special information user special inspection special inspection for poverty alleviation special instrument for engineering survey special intelligence briefing Special Interest Group on Computer-Human Interaction Special Interest Group on the Lexicon（简称SIGLEX） special interests and general interests special interest tourism special investigation project special investigative techniques

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。