“Demographic and Social Changes”的概念、定义、翻译、参考文献-科学参考

单词	Demographic and Social Changes
释义	Demographic and Social Changes Encyclopedia 法学人口社会变动释 Demographic and Social Changes人口社会变动在经济、社会、个人等各方面因素的影响下，人口在社会群体间发生变动的过程。
随便看	main-belt comet mainboard mainboard, masterboard, motherboard main body Main Botanical Garden of Moscow, Russian Academy of Sciences main branch main-branch library system of Dongguan Library main-branch library system of Suzhou Library main bridge type main building of terminal Main Building of Tianjin West Station maincenter main chain main chain liquid crystalline polymer main-chain liquid crystalline polymer main check line comparison Main Chinese chess scores main circuit main circuit breaker of electric locomotive main class main combustion chamber maincontact main control register main control valve main cotton producing areas

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。