The case-based reasoning (CBR) module of the intelligent special cutting-tool CAD system is made up of the following six modules: case-base, case-forming, case-searching, case-estimation, case-modifying and case-saving.

• 本系统的基于实例推理模块(CBR)由实例库、实例创建、实例检索、实例评价、实例修改、实例保存组成。