It is worked out by dividing the birth rate in a particular period by the number of women of childbearing age.

它的计算方法是用特定时间内的出生率除以育龄妇女的数量。

youdao

It is worked out by dividing the birth rate in a particular period by the number of women of childbearing age.

它的计算方法是用特定时间内的出生率除以育龄妇女的数量。

youdao