This thesis utilized object-oriented developing environment Delphi6 and SQL Server data base management system as the developing instrument, and adopt Component Object Model (COM) to design a prototype of expert system based on object-oriented.

• 本论文用SQL Server数据库管理系统和Delphi6面向对象集成开发环境作为开发工具，采用组件对象模型(COM)方法设计了一个基于面向对象的专家系统原型。