The difficulties of drawing control rules are analyzed in this paper. A new method for drawing and filtering control rules by using rough sets and sets pair analysis is proposed.
文中分析了专家系统中规则抽取中存在的困难，用粗糙集理论和集对分析理论解决专家系统中规则的抽取和过滤问题，提出了一种新的规则提取方法，并给出了一个应用实例。
The characteristics and fundamentals of ore drawing control in block caving method are described and computer-based production scheduling for this mining method is studied in the paper.
本文阐述了自然崩落法放矿的特点及其放矿管理的基本原理，探讨了应用计算机进行自然崩落法排产的基本方法。
The characteristics and fundamentals of ore drawing control in block caving method are described and computer-based production scheduling for this mining method is studied in the paper.
本文阐述了自然崩落法放矿的特点及其放矿管理的基本原理，探讨了应用计算机进行自然崩落法排产的基本方法。
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