“人口结构”的概念、定义、翻译、参考文献-科学参考

单词	人口结构
释义	人口结构 Encyclopedia 法学人口结构释 composition of population人口结构依据人口所具有的自然的、社会的、经济的和生理的特征，将人口划分为各个组成部分所占的比重，一般用百分比表示。又称人口构成。 Biology population structure人口结构
随便看	hydrogen sulfide poisoning during drilling and completion hydrogen sulfide protection in oil drilling hydrogen supply module hydrogen transfer polymerization hydrogen transportation hydrogenutilization hydrogen vehicle hydrogeochemical kinetic characteristics hydrogeochemical processes hydrogeochemical zones hydrogeochemistry hydrogeography hydrogeological and water well drilling hydrogeological borehole hydrogeological borehole design hydrogeological calamities hydrogeological condition hydrogeological drilling hydrogeological information system hydrogeological investigation hydrogeological investigation report hydrogeological investigation techniques and methods hydrogeological log hydrogeological logging hydrogeological map

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。