程序使用链表的处理方法模拟专家系统运行状态，里面列出了事实事实集、规则条件集、规则结论集，需要注意的是要将条件集与事实集对应，是算法的核心部分。-List approach uses simulation expert system running, which lists the set of facts facts, rules, conditions set, the conclusions set of rules, should be noted that the conditions set to correspond with the facts set is the core of the algorithm.