平面地图 meaning in Chinese

line map
planimetric map

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。
Abstract : in this paper the author got the enumeration equation of ed ge - non - separable with face partition , and also abtained its enumeration equation and expression with rooted face degree , edges and faces
文摘:得到了边不可分离有根平面地图依面剖分的计数方程，并得到其依根面度数、边数和面数三参数的计数方程及有关计数显式