利用属性识别理论，根据电能质量指标客观数据的测度属性建立指标测度评价矩阵。

Using attribute recognition theory and according to the measurement attribute of objective data in power quality indices, the index measurement evaluation matrix (MEM) is built.

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建立目标威胁等级测度函数规则，定义评价矩阵得出多参量未确知测度。

The rules of measurement function for grade of target threat were established, evaluate matrix was defined to obtain multi-parameters unascertained measurement.

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