本文利用可拓方法，建立了关键问题和关键策略的形式化概念，分析了关键策略的性质，提出了关键策略的生成步骤。
Based on extension methods, this paper presents the formal conceptions of key problems and key strategy, studies the properties of key strategy, and proposes the basic steps to make key strategy.
最后本文得出的结论是，可拓工程方法和可拓信息分析方法为数据挖掘提供了更多的理论基础，同时也为数据挖掘提供了有效的挖掘工具和方法。
In the end of the paper we get the conclusion, extension engineer theory and extension information analysis approach prepare basic theory for data mining and are good techniques of data mining.
利用可拓分析方法寻找可拓资源，以及通过可拓变换方法解决企业重组资源矛盾。
Search extension resources by using extension analysis method and Solveresources contradiction in enterprise reorganization by using extension transform methods.
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