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简述虎门大桥监控管理软件系统的组成以及可变情报板计算机、可变标志计算机、彩色图形计算机、交通通讯计算机和通讯服务器的输入、输出内容，与某些功能的流程框图。最后介绍该软件系统的三大技术创新特点：首创高速公路交通地理的图形处理技术、首创ＷｉｎｄｏｗｓＮＴ与ＳＱＬＳｅｒｖｅｒ数据库在交通控制中的应用技术及创新交通控制设备间的通信技术。
The composition of monitoring and management software system of Humen Bridge and the flow chart of the input and output contents and some functions of variable intelligence board computer, variable sign computer, color graphics computer, traffic communication computer and communication server are briefly described. Finally, the three major technological innovation features of the software system are introduced: the first graphics processing technology for traffic geography of expressway, the application technology of the first WindowsNT and SQLServer database in traffic control and the communication technology between innovative traffic control devices.