“demographic revolution”的概念、定义、翻译、参考文献-科学参考

单词	demographic revolution
释义	demographic revolution 人口革命
随便看	valve guide gauge valve guide puller valve guide reamer valve guide remover valve guide retainer valve guide seal valve guide shoulder valve gutter valve guttering valve hammering valve handle valve head valve head deposits valve head diameter valve head margin valve head slot valve (heat) dissipation valve heater valve holder valve house valve housing valve housing cover valve housing cover packing valve hummer valve hydraulic lifter

科学参考收录了1248194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。