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以关系数据理论为基础，提出一种基于数据库的大量概念学习和概念体系构建的新方法，给出了基于数据库的概念定义和一种简化的获取方法。实例计算表明了该方法的有效性
Based on the theory of relational data, a new method based on database for a large number of conceptual learning and construction of conceptual system is proposed. The concept definition based on database and a simplified acquisition method are given. The example calculation shows the effectiveness of the method