The topological relationship of nodes and road sections in road network was expressed by adjacent node relation matrix and adjacent node weight matrix, which saved the storage space.
采用邻接结点关系矩阵和邻接结点权矩阵表达路网中结点和路段的拓扑关系，减少了路网的存储空间。
The attribute adjacent graphics and the interrelated matrix for edge and face of variation feature were given. The organic relation between component faces of variation feature was expressed.
给出了变异特征属性邻接图和边面关联矩阵，表达了变异特征组成面之间的有机联系。
In the system, Relation database model is adopted to memory the parameter information of the device, and the adjacent matrix is used to memory the network topology of power system.
该系统利用关系数据库模型存储设备的参数信息，构造邻接矩阵记录电网的拓扑结构。
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