动物识别系统 动物识别专家系统按下列规则，写出一个分类专家系统：（1）有毛的动物是哺乳类；（2）有奶的动物是哺乳类；（3）有羽毛的动物是鸟类；-Animal identification system of animal identification expert system according to the following rules, to write a classification expert system: (1) animals have hair mammals (2