“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	underground natural gas storage underground nuclear explosion underground nuclear test underground oil and water movement rule underground oil chamber underground oil depot survey underground oil storage comes from salt cavity underground oil storage facility underground oil storage in rock caverns underground operation safety technology underground parking underground parking system underground passage underground pedestrian system underground personnel transportation vehicle underground pipeline underground pipeline detecting and surveying underground pipeline information system underground pipeline modeling underground pipeline survey underground pneumatic down-the-hole drilling rig underground power plant underground power transmission underground public facilities planning underground pump room

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