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单词 population replacement rate
释义
population replacement rate
  • 简明释义
  • 人口置换率:指一个国家或地区的生育率,使得每一代人口数量能够保持不变的水平。
  • 双语例句
  • 1
    the fertility rate of half the world is now 2.1 or less—the magic number that is consistent with a stable population and is usually called “the replacement rate of fertility”.
    世界上一半的地区,生育率仅为2.1%,甚至更低。 这一比率通常被称作“生育替代率”,标志着人口数量的稳定。
  • 2
    That number, the so-called replacement rate, is usually taken to be the level at which the population eventually stops growing.
    1被称作是替换率,这通常被作为人口最终会停止增长的生育率水平。
  • 3
    In France the fertility rate is already around two children per female, not far short of the “replacement rate” which keeps population numbers steady.
    法国的人口出生率已经达到每个家庭两个孩子,离保持人口数量稳定的“替代率”相差无几。
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更新时间:2025/3/26 4:12:11