“composition of population”的概念、定义、翻译、参考文献-科学参考

单词	composition of population
释义	composition of population 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。
随便看	Stone City Stone Classics in Shu State Stone Classics in the South Dynasty Stone Classics of the Xiping Reign Stone classics of the Xiping Reign Stone Classics of the Zhengshi Reign Stone-Covered Tombs at Dongshan stonecrop stone diagrams of the Song Dynasty in the Confucian Temple,Suzhou stone drum inscription Stone duality stone engravings forming four small shrines unearthed at three Songshan Eastern Han tombs stone engravings of northern Shaanxi stone engravings unearthed at Qilingang Eastern Han tomb stone epitaph engravings of Sui and Tang tombs stone figures in Xinjiang Stone Fish Academic Notes stone forest Stone Forest of Lunan Scenic and Historic Area Stone Gate stone gate tower Stone-Gel’fand theorem Stonehenge Stone Horses Temple Caves stone imperial edict about confirmation of honours and ranks

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。