The paper introduces the basic principles of data mining and its application in medical science.

介绍了数据挖掘的基本原理以及在医学领域的应用。

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This paper briefly introduces the principles and methods of the data mining and the rough set theory, and gives an example on the diagnosis and evaluation of the lung tumor.

本文简要介绍了数据挖掘技术的基本原理和主要方法，以及粗糙集理论的基本原理，并给出了一个利用数据挖掘技术对肺部肿瘤进行诊断评价的应用实例。

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Then, this paper describes the principles of establishing the model of the telecom industry customer churn, and discusses the standard data mining process.

接着在前面的基础上又介绍了电信行业客户流失模型建立的原则，探讨了数据挖掘过程的标准化模型。

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