大多数情况下，数据间的近邻关系能充分的反映数据的局部几何特征。
Generally, neighbor relationship can adequately reflect the local geometric characteristics of the data.
采用随机三角点阵上城市间的最近邻关系，构造路径子空间来求解旅行推销员问题。
The nearest neighbour relation between cities on random triangle lattice has been used to construct a tour subspace and to solve the traveling salesman problem.
通过提取对象的颜色、形状和近邻关系等特征，建立分类标准，实现地形图的自动分层。
And a set of features combining color, shape and topological are extracted from each object. Based on the features, a classification criterion is employed to perform the map segmentation.
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