数据库专家系统是借助数学方法将专家的知识和经验加以提炼,使计算机智能化的产物。利用专家系统进行材料设计是通常所说的计算机辅助设计(CAD)的一个分支。本文就材料设计的基本概念、主要程序进行了介绍,并对如何开展材料研究提出了设想和建议。 Database expert system is to use mathematical methods to refine the knowledge and experience of experts to make the computer intelligent product. The use of expert systems for material design is commonly referred to as a branch of Computer Aided Design (CAD). In this paper, the basic concepts and main procedures of material design are introduced, and the ideas and suggestions are put forward on how to carry out material research.