isolated vertex meaning in Chinese

孤立点, 孤立顶点
孤立项点

All graphs are finite simple undirected graph with no isolated vertices in this paper . it is completed the classification of graphs on which a semidihedral group acts edge - transitively
摘要运用图的自同构理论，获得了关于半二面体群边传递的图的完全分类。
That is to say : r ( x ) = r ( y # dh ( r ( n ( x ) ) , r ( n ( y ) ) ) 1 , on the base of robert and li sheng , i have a deeper research . i define a notion d ( g ) of graph , then carry another research for the graphs with no isolated vertices
给出了一个连通图的直径d ( g )的概念，并且作出连通图总是-域近角色分配的这一结果，其中[ 2 ， d ( g ) ] 。