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在用ＶｉｓｕａｌＣ＋ ＋ 语言编写了催化剂分子设计专家系统通用数据库的基础上，应用面向对象编程技术，使用类封装了知识库信息． 知识库信息的输入输出则是通过将重载操作符设定为知识封装类的友员函数来实现的． 并设计成窗口式界面，便于用户使用该程序．
Based on the general database of catalyst molecule design expert system written in Visual C + + language, object-oriented programming technology is used to package knowledge base information. The input and output of knowledge base information is realized by setting the overloaded operator as the friend function of the knowledge encapsulation class. And designed as a window-style interface, user-friendly to use the program.