“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	paper making felt loom paper making felt needle machine papermaking from wood pulp paper making industry papermaking wet laid nonwoven Papermaking Workshop at Hualin paper mallet vase Paperman Paper Map from Fangmatan，Tianshui Paper Map Unearthed from Fangmatan paper money paper money in ancient China Paper Moon paper mould papermulberry fruit Paper of Han Dynasty paper of pre-modern Chinese books paper or cloth-separated moxibustion paper products printing paper prototype paper prototyping paper pulp paper quality control system Paper Reduction Act paper reinforce

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。