“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	polymers in blood purification polymers mortar polymer solar cell polymer solid polymer solution polymer solution rheology polymer solutions polymer solvent interaction polymer-solvent interaction polymer-solvent interaction parameter polymer spherulites polymer stability polymer statistical theory polymer stealth materials polymer supports for enzyme immobilization polymer surface analysis techniques polymer surface and biointerface polymer surfactant polymer surfactants polymers with special structure polymer synthesis polymer toughener polymer transparent electrode polymetallic mud polymetallic nodule

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