The simplest form of the parton and hadron cascade model , paciae1 . 0 , is employed to investigate the charge fluctuation of quark matter and the pauli blocking at the partonic stage of ultra - relativistic nucleus - nucleus collisions and its effect on the hadronic final state 完整部分子和強于級聯模型, paciae還在進一步的完善之中,我們對其物理思想作了較為詳細的介紹,簡單的部分子模型paciaei刀己用來研究電荷漲落和pauli阻塞等問題。當s jeon 、 v