交通管理系统，能够查询某地公车或飞机航班，为用户提供最少旅行时间方案或最少旅行费用方案。-Traffic management system to be able to query a bus or plane flights, to provide users with a minimum of travel time program or at least the cost of travel programs.

模拟航空售票系统，能够实现买票、退票、按乘客航班查找等功能-Simulated air ticketing system, to achieve ticket, refund, according to passenger flights search functions