更改

==顶点类型==

==顶点类型==

[[File:Small Network.png|alt=A small example network with 8 vertices and 10 edges.|thumb|Example network with 8 vertices (of which one is isolated) and 10 edges.]]

[[File:Small Network.png|alt=A small example network with 8 vertices and 10 edges.|thumb|有八个点（其中一个点为孤立顶点）和十条边的样例网络。]]

用具有8个顶点(其中一个是孤立的)和10条边的网络示意。

用具有8个顶点(其中一个是孤立的)和10条边的网络示意。