It shows how to classify the data, build the KRS, reduce the data and get the final decision rules.
包括数据的分类，KRS的建立，数据的约简和决策规则的生成。
2
The KRS 6-type vacuum pump designed run well and could satisfy requirement of vacuum equipment in packaging system.
设计完成的KRS 6型无油旋片真空泵，运行状况良好，能够满足包装系统的真空设备需求。
3
It includes the proposing of the theory, some relevant fundamental concepts, the reduction of data and attributes, KRS, decision analysis, and the reduction of decision rules.