说明：  简单动物识别系统的知识表示与推理 （1）以动物识别系统的产生式规则为例 （2）建造规则库和综合数据库，并能对他们进行增加、删除和修改操作 （3）基于建立的规则库和综合数据库，进行推理
(Knowledge representation and reasoning in simple animal recognition system (1) take the production rule of animal identification system as an example. (2) build rule base and integrated database, and add, delete and modify them. (3) reasoning based on the established rule base and integrated database.)