A case retrieval algorithm is proposed which uses the volume ratio of 3-dimension component and its bounding box to extract feature values.
利用三维部件与其外包立方盒体积比作为特征提取的依据，提出了一种实例检索算法，能够处理形状不规则的产品部件实例。
The nearest neighbor algorithm a type of retrieval strategy based on similarity theory is described, and the case in the case base can be retrieved.
阐述了基于相似度理论的最近邻居算法检索策略，能够对实例库中的实例进行检索。
Besides, this article presents the hierarchical model for storage and retrieval of case, and analyzes the integrated reasoning mechanism and modification algorithm for case.
采用面向对象方法定义了实例的对象模型及实例存储、检索的层状结构模型，并对集成推理机制和实例的修改算法做了探讨。
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