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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:2025/7/31 7:31:13