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Population momentum

  • 人口惯性:指在一个封闭人群中,如果人口在以前持续增长,即使生育率降到更替水平或更低,在最终达到人口均衡之前,人口规模仍然会保持一段时期的增长趋势;而如果人口在以前持续减少,那么,即使将其生育率提升到更替水平或更高,在最终达到人口均衡之前,其人口规模仍然会保持一段时期的缩减趋势。这种趋势称为人口惯性,前者称为人口正增长惯性,后者称为人口负增长惯性。

网络释义英英释义

  人口惯性

人口惯性Population momentum)是指达到生育更替水平后人口继续增长的趋势。因为过去的高生育率,低龄组人口较多,达到或低于生育更替水平后人口还会继续增长数...

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短语

Negative population growth momentum 人口负增长惯性

momentum of population growth 人口惯性增长

Population momentum

  • abstract: Population momentum refers to population growth at the national level which would occur even if levels of childbearing immediately declined to replacement level.Preston, Heuveline, and Guillot (2001) Demography: Measuring and Modeling Population Processes For countries with above-replacement fertility (greater than 2.

以上来源于: WordNet

双语例句权威例句

  • Even if each of those women has only two children, population will coast upward under its own momentum for another quartercentury.

    即使每位妇女只要两个孩子人口也会根据自己势头向上升二十五年。

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  • That older system also was working badly. It was restricting purchasing power to a shrinking moiety of the population, and losing its progressive momentum very rapidly.

    古老系统不顶用购买力限制组数量不断缩小人群,快速失去前进的动力。

    youdao

  • Criticizing Marxs thought of technology, North thinks that among momentum of system transition, population growth is the most ultimate one.

    诺思批评马克思技术而不是人口增长作为制度变迁根本动力

    youdao

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