请输入您要查询的字词:
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
Chinese classical furniture
Chinese Classification and Diagnostic Criteria of Mental Disease
Chinese Classified Thesaurus
chinese clematis root
Chinese Clinical Trial Registry
Chinese Clothing and Adornment in Various Dynasties
Chinese coded character set
Chinese Collegial Association for Visual Art
Chinese Colored-Lantern Opera
Chinese Comics
Chinese commercial block cipher
Chinese Commercial News
Chinese Communist Youth League
Chinese Concept Dictionary
Chinese conference on complex networks
Chinese congruence
Chinese Contemporary Dance Choreography and Research
Chinese contemporary literature
Chinese Contract Bridge Association
Chinese cooking hot-plate
Chinese co-production
Chinese core journal
Chinese coriaria
Chinese Corporate Governance Mode
Chinese corpus by National Language Committee of China
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/2/18 13:30:01