“demographic factor”的概念、定义、翻译、参考文献-科学参考

单词	demographic factor
释义	demographic factor Encyclopedia 哲学社会物质生活条件释 demographic factor人口因素作为社会存在和发展的条件之一，人口是指处于一定历史发展阶段上的、由一定数量构成的有生命的个人的总和。人口因素具体包括人口的数量、质量、构成、分布及其变动情况等。
随便看	focusing range focusing reflector focusing ring focusing scale focusing screen focusing screw focusing solenoid focusing X-ray telescope focusing γ-ray telescope focus in image space focus in object space Focus Interview Focus interview focus ion beam milling focus ion beam technology focus light focus negation focus of a conic focus of a curve focus of an ellipse focus of a parabola focuson FOCUS ON CHINA Focus on Datanews focus on what is central to a drama

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