您要查找的是不是：
- Trapezoidal no volume! It is a planar graph! ! ! 梯形没有体积！它是一个平面图形！！！
- Construction operations must strict be abided by the planar graph approved by the firefighting department . 展台搭建单位应依据消防管理部门批准的平面图施工。
- In the same way, a Four-coloring of a maximal planar graph of 25 order G(subscript M25), is obtained with "simplified method of reduction of order". 以同样的方法对一个一定拓扑结构的25阶最大平面图G(下标M25)进行着色，得到了G(下标M25)的四色着色方案。
- XU Bao-gang conjectured: If the clique complex C(G) of a graph G is acyclic, G is contractible. In this paper we prove that the conjecture holds for planar graphs. 摘要许宝刚猜想：若图G的团复形是无圈的，则G为可伸缩图。本文证明了该猜想对平面图成立，即：若G是团复形为无圈的平面图，则G为可伸缩图。
- Planar graphs also play an important role in colouring problems;to motivate such problems,let us return to our 'road-map' graph,and let us suppose that Shell,Esso,B. 进一步我们假定出于经济考虑没有一个公司希望在相邻的拐角处修建两个汽车修理厂。
- The Edge Coloring of Double-outer Planar Graph 双外平面图的边染色
- Minimum degree of the square of a planar graph 平面图平方的最小度
- A Algorithm for Drawing Undirected Planar Graph 一个无向平面图的画图算法
- Trees generating from some vertices of the polyhedron;Case 2.The connected planar graphs having loops or multiple edges. 还将与此对应的平面连通图的欧拉公式，推广至有自环及多重边的情形。
- SOME SUFFICIENT CONDITIONS FOR A PLANAR GRAPH TO BE CLASS 平面图为第一类图的一些充分条件
- The volume of this container is 20 cubic meters. 这个集装箱的体积是20立方米。
- The store- room be400 cubic feet in volume. 这库房的容量是400立方英尺。
- PREREQUISITE THEOREM ON FOUR COLOUR PROBLEM WITH PLANAR GRAPH 平面图四色问题的一个必要定理
- What's the cubic capacity of this engine? 这台发动机的立体容积是多少？
- On the Edge-Face Coloring of Double-Outer Planar Graph 双外平面图的边面染色
- The volume of this container is 1000 cubic feet. 该容器的容积是一千立方英尺。
- Planar Graph Drawing Algorithm Based on Genetic Algorithm 基于遗传算法的平面图画图算法
- On the Total Coloring of A Special Double-outer Planar Graph 一个特殊的双外平面图的全染色
- In this paper, the 3-regular simple planar graphs with diameter 3 are completely characterized, and by discussion of the subgraph and girth all of 11 non-isomorphic graphs are obtained. 摘要通过对子图和围长的研究，完全刻画了直径为3的3-正则简单平面图，获得了这类图仅有的11个非同构图。
- An electrically produced graph or tracing. 电示图以电制作的图表或映描图
