模拟银行服务，根据客户到达时间不同，以及为客户服务时间不同。可以模拟窗口最佳情况。使得窗口的服务效率高，而且顾客等待时间不是很长。-Simulation of banking services, according to the customer a different time of arrival, as well as customer service at different times. The best of circumstances can simulate a window.