fertility rate
短语[医] 生育率, 受精率 [经] 妊娠率
词形变化
fertility rates
复数
fertility rates
释义与例句
n.
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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.
生育率
In America the fertility rate of recent immigrants tends to be higher than that of native population.
In most industrialized countries the fertility rate has dropped well below replacement rate.