该方法利用相似系数在各构件的耐久性指标序列之间进行相似性度量，并形成了具有分类功能的模糊等价矩阵。
The method measures the similarity of durability index series of components by the use of similarity coefficient and forms a fuzzy equivalence matrix with sort function.
在这种相似性度量方法基础上，证明了粗集的等价关系可以被转化为模糊等价矩阵。
Based on the method of similarity measure, it proves that the equivalence relation of rough set can be transformed into fuzzy equivalence matrix comp.
然后把等价类映射为矩阵表达形式，再通过矩阵的特性来度量影响片段相似度的不同因子，实现了相似片段的排序。
Afterwards, equivalence classes are mapped into matrix representation. Therefore various factors are computed to rank the similarity of the selected video clips by characters of the matrix.
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