同时改进了规则可信度的设定方法，使可信度推理更接近于人类专家思维。
The setting method of rule confidence was also improved, and it made reasoning model closer to human experts thinking.
本文基于粗糙集理论给出了对象与规则可信度的概念，提出了一种经济系统中相关关系预测法。
According to rough set theories, this paper puts forward a conception of the degree of credibility between objects and rules, and attempts to present a related relation prediction method.
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