[[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.]]
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[[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。]]