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

单词	demographic transition theory
释义	demographic transition theory Encyclopedia 经济学〔人口和劳动〕释 demographic transition theory人口转变理论以人口生育率与死亡率的历史资料为依据，解释人口规模和结构随时间推移而变化的理论。
随便看	infrared jammer infrared jamming countermeasures infrared laser infrared laser chemistry infrared laser semi-active combined guidance infrared lens infrared light sensor infrared light source infrared line scanner infrared luminosity infrared magnitude infrared measuring distance infrared microscope infrared microscopy infrared millimeter wave radar combined guidance infrared modulation infrared modulation technology infrared monitoring infrared multiphoton dissociation infrared multiphoton dissociation (IRMPD) infrared night-vision system infrared non-destructive inspection infrared object infrared observatory infrared occupational hazard

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。