“ageing of population”的概念、定义、翻译、参考文献-科学参考

单词	ageing of population
释义	ageing of population 人口老龄化
随便看	depithing machine deplasmolysis deplate depletable resources depleted depleted cost depleted material depleted uranium deplete semiconductor depletion depletion allowance depletion cost depletion curve depletion device depletion-drive pool depletion for wasting assets depletion hydrograph depletion inverter depletion layer depletion-layer rectification depletion-layer transistor depletion load depletion mode N-channel transistor depletion MOS depletion mutant

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