说明：  大型银行营业厅为满足业务不断扩大的需要，引入电子排队系统。 电子排队系统按照两级系统调度方式，一级为VIP用户，二级为普通用户。 一级用户优先于二级用户得到服务，同级用户按照先来先服务的原则。 因为营业厅很大，需要放置两个以上的取号机，上不封顶。 柜台人员服务人员也在两个以上，上不封顶
(large bank branch to meet the expanding business needs, introducing electronic queuing system. According to the two levels of electronic queuing system operation system for VIP customers, level 2 for ordinary users,. In the secondary primary users first, the customer service to users get according to the first come, first service principle. Because of the great hall, need to take the place of two above, not on the seal. Bar staff service personnel in two or more, also not seal. )