When traffic is very heavy, congestion also builds at the entry to the toll plaza because of the time required for each vehicle to pay the toll. 当交通量非常大的时候,因为每车辆付通行费的时间要求,阻塞也会出现在收费区的入口处。
Make a model to help you determine the optimal number of tollbooths to deploy in a barrier-toll plaza. 建立一个模型来确定在一个容易造成阻塞的收费区中应该设置的收费亭的最优数量。
It can be in a vending or gumball machine, pay phone or toll plaza. 地点可以是自动贩卖机或是糖果机,,投币电话机或收费广场。