在全国层面和省区层面有着较大普遍性的优选方案是15年后实行中口径或大口径的一代独生子女政策。
The best selection both for the whole country and for the sub-regions is the case of "middle or large specifications of one couple one child for one generation fertility policy for another 15 years".
该地区育龄妇女的平均初婚年龄为20.58岁。 不同省区、不同年代及妇女的文化水平等都会影响或改变初婚年龄。
The average age at first marriage was 20.58 years old, and ft is affected by different areas, periods , women' education and so on.
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