The test date and the relevancy of the referenced distributions were obtained by using the gray correlative analysis method to solve the problem of a passel of date matched with various distributions.

• 针对一批数据同时符合多种分布这一问题,提出采用灰关联分析方法计算试验数据与参考分布的关联度,根据关联度的大小,确定故障的最优分布模型。