以数模为基础建立三维地面模型和三维道路模型。
Three dimensional ground model and three dimensional road model are established on the basis of digital to analog.
黎本来是要嫁给乔纳森·维道斯基的，这也是纽约哥伦比亚大学一个24岁的物理学研究生。
Le was to be married to Jonathan Widawsky, a 24-year-old physics student at Columbia University in New York.
本文重点解决的问题包括三维道路表面模型的快速生成技术，以及基于车道的网络模型的建立与应用。
This paper focuses on 3D road surface model generation and lane-based road network construction and its application.
周瑜惊得出了一身冷汗，马上给关羽斟酒恭维道：“将军斩颜、诛文丑，过五关斩六将，天下闻名啊！”
Zhou Yu , alarmed , broke out in a cold sweat. He poured a cup for Lord Guan and drank with him and said , "You are really famous for you have slain six generals and breached five passes!"
目前，基于路段中心线的二维道路网络模型已经普遍存在，但其在几何特征及拓扑关系表达等方面都难以满足复杂交通系统的需求。
The information of centerlines can not cover the changes of lanes, and the two-dimensional model is also inadequate in the expression of three-dimensional transportation networks.
目前，基于路段中心线的二维道路网络模型已经普遍存在，但其在几何特征及拓扑关系表达等方面都难以满足复杂交通系统的需求。
The information of centerlines can not cover the changes of lanes, and the two-dimensional model is also inadequate in the expression of three-dimensional transportation networks.
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