Extensive and new application fields and special requirements have brought about the emergence of object-oriented database which introduces the concept of object into database system completely.
广泛而新型的应用领域和特殊要求导致了在数据库系统中全面引入对象概念的面向对象数据库的产生。
Decision table is a kind of special and important knowledge system which has been applied in the decision support and data mining fields widely.
决策表是一种特殊而重要的知识系统，在决策支持和数据挖掘等领域有着重要的应用。
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