“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	delay composition, delay charge delay differential equation delay distribution delay-Doppler mapping delayed delayed awakening from anesthesia delayed choice delayed coincidence delayed coking delayed crack delayed-critical delayed curing delayed decay delayed extraction delayed feedback delayed fission neutron logging delayed fluorescence delayed fluorescent materials delayed fracture delayed fruit softening genetically modified tomato FLAVR SAVRTM delayed gamma ray delayed healing of wound delayed inheritance delayed load delayed neurotoxicity

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。