In accordance with the prop tree diagram theory, adding the marking stations, the path-marking model in accurate way changes he annular structure speedway network into the tree structure.
准确路径识别模型是指依据图的支撑树理论，添加标识站，把环形路网结构变为树状结构的模型。
This paper proposes a text classification method based on Cloud Theory and neural network structure decision tree.
提出一种基于云理论和神经网络构造决策树的文本分类方法。
At last, the error recovery will be limited to the local network by the regional grouping and hierarchical tree structure.
最后，采用按区域分组和层次树的结构，将差错恢复的进行限制在了局部网络。
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