These properties can be regarded as the construction methods of generalized relative difference set pairs.
这些性质也可以看作是广义相对差集偶的构造方法。
By using these construction methods, the new generalized relative difference set pairs can be constructed from the known generalized relative difference set pairs.
应用这些构造方法可以从已知的广义相对差集偶构造出新的广义相对差集偶。
The problems of data reduction, including relative reduction and absolute reduction are introduced and unified as the set operation on difference list that is come from the difference matrix.
介绍了粗糙集数据约简概念，包括相对约简和绝对约简，并将它们统一为差别列表上的集合操作，其中差别列表是从差别矩阵引伸而来的。
The problems of data reduction, including relative reduction and absolute reduction are introduced and unified as the set operation on difference list that is come from the difference matrix.
介绍了粗糙集数据约简概念，包括相对约简和绝对约简，并将它们统一为差别列表上的集合操作，其中差别列表是从差别矩阵引伸而来的。
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