双维排列图形什么意思?

简介：Tong Dingfang entered in a hurry, wearing a coarse rag shirt, bare-chested leggings, and dressed like a woodcutter. Seeing that he was fine, Zhu Cixiang was secretly relieved, and before he could bow, he said: "No courtesy." Tell me, what did you find? Why are you back so late?