The widely used approximate reasoning methods such as Compositional Rule of Inference(CRI) and Analogy Approximate Reasoning Schema(AARS) are fully analyzed, and their deficiencies are pointed out.

• 对常用的近似推理方法如合成推理方法(CRI)和基于相似度量的近似推理方法(AARS)进行了研究,指出了它们存在的缺陷；