灰色聚类法，不仅能够相当正确地判别结构的可靠性等级，而且在灰色聚类系数矩阵中显示了各样本对于不同鉴定等级的隶属程度。
This method can not only exactly judge the reliability grade of the structure, but also display the subjection of various samples to different grades in grey clustering coefficient matrix.
利用3种路网在各种类型的攻击情况下的失效程度的数据，应用灰色定权聚类判别法对其进行了计算，以得到各种类型路网的安全等级。
Applying the gray fixed-weight clustering method to evaluate the safety level of the sample road networks which was given in the chapter 3.
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