一个域包是一个互相协作以支持可以被认为是黑盒的内聚契约集的类集。
A domain package is a set of classes that collaborate among themselves to support a cohesive set of contracts that can be considered black boxes.
提出了一种基于聚类和粗糙集的数据挖掘模型。
We propose a data mining model based on clustering and rough set.
介绍模糊数学的基本概念，建立了用于缺陷模糊模式识别的两种数学模型，即模糊集法与模糊聚类法。
The concept of fuzzy mathematics is described and two fuzzy pattern recognition models of flaws based on fuzzy set method and fuzzy cluster method have been established.
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