英语词汇“replacement fertility”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

replacement fertility n. the birth rate at which the population level remains constant, taking into account the mortality rate and other factors.

ΚΠ

1967 P. R. Cox in R. Platt & A. S. Parkes Social & Genetic Infl. Life & Death 149 (caption) Age-distribution of hypothetical populations with the same mortality and (i) replacement fertility; (ii) double replacement fertility.

1998 Independent 12 Jan. i. 11/7 If present rates are maintained, stability—what is called ‘replacement fertility’—will be reached as early as 2016.

单词	replacement fertility
释义	> as lemmas replacement fertility replacement fertility n. the birth rate at which the population level remains constant, taking into account the mortality rate and other factors. ΚΠ 1967 P. R. Cox in R. Platt & A. S. Parkes Social & Genetic Infl. Life & Death 149 (caption) Age-distribution of hypothetical populations with the same mortality and (i) replacement fertility; (ii) double replacement fertility. 1998 Independent 12 Jan. i. 11/7 If present rates are maintained, stability—what is called ‘replacement fertility’—will be reached as early as 2016. extracted from replacementn. < as lemmas
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> as lemmas