fertility rate

名词 n.
中文释义

英文释义

名词 n.
  1. The average number of children that would be born to a woman over her lifetime if she followed the current average pattern of fertility among a given group of women and survived through her reproductive years; used as an indicator of strength of population growth.
    — In America the fertility rate of recent immigrants tends to be higher than that of native population.

词形变化

fertility rates plural
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