置换图 meaning in English

permutation graph

2 . a > regular ^ - connected graphs , generalized petersen graphs and permutation graphs are studied extensively in the design of networks
研究了k -正则k -连通图、广义petersen图和置换图的宽直径。
The third chapter focuses on the integrity of a special kind of graphs - permutation graphs , especially the cycle permutation graphs
第三部分研究了一种特殊图? ?置换图的完整度，给出了圈及路置换图的完整度及相关的一些结果。