subgraph(Digraph,Vertices)->SubGraph subgraph(Digraph,Vertices,Options)->SubGraph 类型 创建Digraph的最大子图,其顶点是顶点中提到的有向图的顶点
以下是从1.x文件迁移到2.x文件的更多细节: WiththenewGraphViews(SubGraph,ReversedGraph,etc)youcan'tassumethat``G.