A plane graph together with the set of faces it determines is called a plane map.
一个平面图与它所确定的面的集的总体称为一个平面地图。
In this paper, we gave the optimization method when drawing the plane graph on the computer screen.
本文给出了在计算机屏幕上绘制平面图形时，提高其绘制效果的优化方法。
Based on the study of the structure of maximum plane graph, with normal mathematic reasoning, this thesis studied the color number problem of maximum plane graph.
以极大平面图的结构研究为基础，采用常规的数学推理方法研究极大平面图的点色数问题。
Based on the study of the structure of maximum plane graph, with normal mathematic reasoning, this thesis studied the color number problem of maximum plane graph.
以极大平面图的结构研究为基础，采用常规的数学推理方法研究极大平面图的点色数问题。
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