比率反映就业人口需要抚养的小童和幼儿,一般受出生率影响。
The ratio is a measure of the number of young people who are fed by the working population. This is affected by factors like birth rate.
比率反映就业人口需要抚养的小童和幼儿,一般受出生率影响。
The ratio is a measure of the number of young people who are fed by the working population. This is affected by factors like birth rate.
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