You may find Node-Arc-Node relationships (triple) easier to understand than relational database models.
您会发现Node - Arc - Node关系(三元组)比关系数据库模型更易于理解。
Vector data require far less storage than raster data because arc node lists simplify and reduce the data required to make sense of the features contained in the map.
矢量数据要求的存储要比栅格数据少得多，因为弧节点列表简化并减少了表示地图中包含的特征所需的数据。
So-called arc node lists contain arcs and nodes.
所谓的弧节点列表包含弧和节点。
The basic data model of transportation network is represented by node-arc model.
传统的交通网络数据模型是用结点-弧段模型来表示的。
Further analysis shows that arc labeling and node labeling algorithms have no difference in fundamentals, while the dual network method is their visualized version.
分析指出弧标号、节点标号算法在算法原理上是一致的，对偶网络法是对它们的直观化。
In this way, first of all the machined contour curve must be divided in many micro-sections of line or arc, and then node coordinates are found.
这样首先必须将要加工的轮廓曲线划分成微小的直线段或圆弧段，而后求出其节点坐标。
The dramatic changes of node stresses between rubber layers were decreased in the bearing with an arc profile, which could improve the life of the elastomeric bearing.
采用弧形外缘的轴承可以减小胶层间应力的急剧变化，能够延长轴承的使用寿命。
The dramatic changes of node stresses between rubber layers were decreased in the bearing with an arc profile, which could improve the life of the elastomeric bearing.
采用弧形外缘的轴承可以减小胶层间应力的急剧变化，能够延长轴承的使用寿命。
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