This process is called data reduction.
这个过程叫做数据处理。
Data reduction is one of important research issue in rough set theory.
数据约简是粗糙集理论中一个非常重要的研究课题。
From real data reduction the efficiency of the remedy was demonstrated.
并通过实测数据分析与结果比对证明解决途径的有效性。
Figure 2 illustrates this concept along with the method of data reduction.
图2介绍了这个概念，以及精简数据的方法。
Attribute reduction is an important concept in rough sets data analysis.
属性约简是粗糙集用于数据分析的重要概念。
Attribute reduction is an important concept in rough sets data analysis.
属性约简是粗糙集用于数据分析的重要概念。
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