A method describing Take Grant system using the Petri net, which is called PTGS (Petri Taken Grant System) model, is introduced, and applied to the problem of leaking access rights using PTGS.是什么意思_A method describing Take Grant system using the Petri net, which is called PTGS (Petri Taken Grant System) model, is introduced, and applied to the problem of leaking access rights using PTGS.在线翻译_英语_读音_用法_例句