片语
undirected simple graph无向简单图
undirected tree graph无向树图
undirected connected graph无向连通图
Undirected Complete Graph无向完全图
undigraph无向图
on undirected itemsets graph无向项集图
undirected weighted graph无向加权图
Undirected Completed Graph无向完全图
undirected weighed graph赋权无向图
weighted undirected liaison graph带权无向连接图