The corresponding matrixes of membership degrees are gotten through different membership functions and weight scales of assessment indices are determined by expert judgment method and statistical method of frequency.

• 合理地划分了评价单元并确定了评价指标量化标准，通过不同隶属度函数得到相应的隶属度矩阵，利用专家评判法和频数统计法确定评价指标的权重。