短語詞組短語connected simple graph 連通簡單圖connected planar graph 連通平麪圖connected noncrossing graph 連通不交圖connected reduced graph 連通簡化圖connected -graph model 連接圖模型connected undirected graph 連接無曏圖;連通無曏圖;連通的無曏圖rooted connected directed graph 帶根連通有曏圖connected subsidiary graph 連通子 返回 connected graph