Methods: The childbearing condition of rural women in Hubei was analyzed by cross - sectional investigation method.

方法: 用 横断面 调查方法分析了湖北省农村妇女的生育状况.

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There are two methods for studying the growth level , the cross - sectional investigation and the long it.

在研究生长发育方面,有横剖面调查和纵向追踪调查两种方法.

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