铁路交通信息查询系统，主要包括用户登录，验证登陆信息，主要功能模块有查询，修改，删除等-Railway traffic information query system, including user login authentication login information, the main function modules query, modify, delete, etc.

PB9.0开发的铁路车站到发线运用系统，管理车站到发线使用。-PB9.0 development of the railway station to the hair line use system management station to hairline.