说明：  单列多服务台排队系统 概要设计 首先根据系统初始化输入的数据对系统进行初始化，根据顾客的数量和顾客平均到达时间间隔，产生系统中每名顾客到达时间间隔，将每名顾客到达时刻插入事件表，事件表根据时间采用最小堆进行排序，最早发生的事件放到事件表的顶端。
(Summary of single multi-server queuing system design is first initialize the input data according to the system to initialize the system, according to the number of customers and average customer arrival time, a system in the arrival time for each customer, each customer will get time into the event table, event table with the minimum heap according to the time to sort the events into the first event table top.)