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单词 replacement fertility
释义

Definition of replacement fertility in English:

replacement fertility

noun
  • The birth rate at which the population level remains constant, taking into account the mortality rate and other factors.

Origin

1960s.

 
 

Definition of replacement fertility in US English:

replacement fertility

noun
  • The birth rate at which the population level remains constant, taking into account the mortality rate and other factors.

Origin

1960s.

 
 
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更新时间:2025/2/5 3:19:10