“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	branched-chain amino acid branched chain reaction branched covering branched covering space branched curve branched DNA branched element branched function branched hair branched horsetail branched minimal immersion branched minimal surface branched polymer branched solution branched structure of macromolecular chain branched surface branched value branch element branches of channels branch group branch hazard branch history table branchia branchial apparatus branch index

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