According to the principle of GIS we build spatial data base for traffic planning property data base and construct the connections between property database and spatial database ;

论文根据GIS的工作原理，构建了 城市 交通规划空间数据库和属性 数据库以及空间数据库和属性数据库的连接；

Real-time and accurate short-term traffic flow forecasting can provide data support for traffic guidance and control and it is the base and key to solve many of traffic problems .

实时而准确的短时 交通流量预测可以为城市交通诱导和控制提供 数据支持，是解决多种交通问题的关键和 基础。