为了在故障诊断信息不一致的情况下提取简单有效的诊断规则，提出了一种基于粗糙集理论的决策规则提取方法。
In order to extract simple and effective diagnostic rales from inconsistent diagnostic information, an extraction method of decision rules for fault diagnosis based on rough set theory is proposed.
第三部分通过具体的企业销售数据库实例，介绍粗糙集方法在管理决策中的应用过程。
The third section introduces how the RS theory is applied in the decision making with an enterprise database.
提出了一种基于粗糙集的决策规则综合的新方法——归类优选方法。
A new method for decision rule synthesis based on rough set theory is proposed.
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