本文提出了一种注塑产品设计特征树构造算法，该算法应用正向推理技术实现设计特征的识别，并以特征树结构记录产品的设计特征。
In this paper, knowledge reasoning is applied to recognize design features, and then the data tree structure is used to record design features.
对于在基于特征的设计过程中特征间的合成关系进行了分析，给出了二叉树的存储方法。
The synthesis relationship between features in feature-based design procedure is analyzed and the storage structure of bifurcate tree is shown.
本文提出了舰船目标吨位识别的四维特征向量，设计出完整的二叉树分类器。
This paper gives characteristic vectors of four dimensions for target tonnage identification and design of binary tree classifiers pattern recognition.
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