单窗口售票系统仿真程序 运用秒推进法模拟了单窗口售票系统售票员忙、闲，客户到达、排队等待、购票/离开等情形，并给出实时报告-single-window ticketing system simulation program to promote the use seconds simulation of single-window ticketing system conductor busy, idle, customers arrived, the queue waiting, bookin