长途汽车信息管理系统主要是由路线信息表、汽车信息表、票价信息表三部分组成，通过对这三个表的添加、删除、查找、修改等操作来实现对长途汽车的管理。-The bus information management system is mainly composed of route information table, vehicle information table, fare information table is composed of three parts, the three table