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

单词	first demographic transition
释义	first demographic transition Encyclopedia 法学人口转变释 first demographic transition第一次人口转变人口出生率、死亡率和自然增长率从传统的“高出生（率）、高死亡（率）、低增长（率）”，经历“高出生（率）、低死亡（率）、高增长（率）”的转换过渡，转变为“低出生（率）、低死亡（率）、低增长（率）”的现代人口再生产类型的历史演变过程。
随便看	high-electron-mobility transistor, HEMT high-electron-mobility-transistor terahertz detector high element high-end equipment manufacturing industry high-end general chip high-end specialty chemicals High Energy Accelerator Research Organization High Energy Astronomical Observatory High Energy Astronomical Observatory-1 high energy astronomy High Energy Astronomy Observatory 3 high energy astrophysics high-energy astrophysics High Energy Astrophysics Science Archive Research Center High Energy Astrophysics Software high energy beam machining high energy beam surface quenching high energy cascade reactions high-energy cell high energy collision-induced dissociation high-energy component High Energy Cosmic-Radiation Detection facility high energy density compound high energy density laboratory astrophysics high energy density materiral

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。