全国交通咨询模拟系统-----全国城市交通图列车时刻表及飞机航班表的编辑。利用VC工具在dos环境下实现全国交通的咨询与管理。-National Advisory traffic simulation system ----- National Urban Transport plans trains and flights Schedules table editor. VC dos tools in the environment under the National Traffic adv

设计一个交通咨询系统，能让旅客咨询从任一个城市到另一个城市之间的最短路径（里程）。(Design a traffic consulting system that allows passengers to consult the shortest path (mileage) from one city to another.)