Methods: Contacting relation degree of Grey Model Theory was used in analyzing ten reasons of effecting cesarean section rate.
方法：采用灰色系统理论关联度分析法，对影响剖宫产率的十种因素进行分析。
Using grey system theory, the author applied grey relation degree to optimize plan and provide theory basis through the quantitative and the qualitative analysis.
现应用灰色系统理论，把定量分析与定性分析结合起来，用灰关联度来评价方案的优劣，为优选方案提供理论依据。
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