maximal planar graph meaning in English

最大平面图

Tow maximal planar graphs with path bichromatic subgraph only
两个只有路型二色子图的极大平面图
A note on strong embeddings of maximal planar graphs on non - orientable surfaces
极大平面图在不可定向曲面上强嵌入的一个注记
Characteristic graph of dual binary chromatic subgraph of maximal planar graph to be colored with 4 colors
极大平面图对偶二色子图结构特性树