请教各位大侠，灰色定权聚类中评价指标延拓值是怎么得来的[img]file:///C:\Documents and Settings\yl\Application Data\Tencent\Users\568400124\QQ\WinTemp\RichOle\OB5NXTI`R[~EWKHORN7$HPF.jpg[/img]，如下图这一实例