“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	galactic pericenter Galactic plane galactic plane Galactic pole galactic pole Galactic potential galactic primary gas clouds Galactic radio astronomy galactic radio astronomy Galactic radio astrophysics galactic radio astrophysics Galactic radio emission galactic radio emission Galactic radio noise Galactic radio radiation galactic radio radiation Galactic radio spur Galactic ridge Galactic rotation galactic rotation Galactic rotation curve galactic rotation curve galactic sheet Galactic source galactic space

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。