一个简单的航空售票系统：登录，航班查询，乘客信息录入与显示，售票情况，机票购买-A simple air ticket system: the registry, flight information, passenger information entry and display, ticketing, the ticket purchase

为汽车站量身订做的一套订票查询信息系统。该系统具有输入、查询、统计分析和打印等功能。-A set of tailor-made for the bus station booking query information system. The system has input, query, statistical analysis and printing.