说明：  针对故障诊断专家系统实用性与通用性的矛盾，在简要分析专家系统工作原理的基础上， 提出了一种以用户为中心的通用性故障诊断专家系统设计方案。
(Fault Diagnosis Expert System for practicality and versatility of the conflict, in a brief analysis of expert system based on the principle, a universal user-centric nature of fault diagnosis expert system design.)