1、A plane graph together with the set of faces it determines is called a plane map.
一個平面圖與它所確定的面的集的總體稱為一個平面地圖。

2、In this paper, we gave the optimization method when drawing the plane graph on the computer screen.
本文給出了在計算機屏幕上繪制平面圖形時，提高其繪制效果的優(yōu)化方法。

3、Clearly each plane graph has exactly one unbounded face.
顯然，每個平面圖都有一個 * 面。

plane graph翻譯