It mainly discusses their knowledge express as well as inference mechanism and orientates consumers to a large-scale intensive chicken farm , so that the technique comes to a practical level.

• 以鸡疾病诊断为例，简述了专家系统的结构和建造步骤，讨论了其中的知识表示和推理机制，将用户定位在大型集约化养鸡场，以使该技术达到实用化程度。