“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	survey meter survey of air pollution sources survey of Chinese materia medica resources Survey of Demographics of Visitors to The Palace Museum (June 2007～May 2008) survey of document preservation needs survey of European Union law survey of French law survey of grassland resources survey of Japanese law Survey of language situation in China survey of moveable cultural relics Survey of Pollution Sources survey of present state at industrial site survey of the law of Australian survey of the law of Canada survey of the law of Latin American survey of the law of modern Indian survey of the law of Modern Islamic survey of the law of Southeast Asian survey of the law of the Federal Republic of Germany survey of the law of the Republic of Italy survey of the law of the Russian Federation survey of the law of the Union of Soviet Socialist Republics survey of the law of the United Kingdom survey of the law of the United States of America

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