基于粗糙集方法提出了一种系统的决策表约简和决策规则提取方法。

Based on the rough set theory, a new systematic method is proposed to reduce the decision table and induce the decision-making rules.

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充分考虑了可辨识矩阵的特性，提出一种基于类别特征矩阵的决策规则提取算法。

An extracting rules algorithm based on class feature matrix is presented, which has made use of the characteristic of discernibility matrix.

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将变精度粗糙集(VPRS)理论引入到轴承的故障诊断中，提出了一种故障决策规则提取方法。

VPRS (variable precision rough set) theory is introduced in the fault diagnosis of bearing, and a decision rule acquisition method of fault is presented.

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