Small world model provides a new aspect and method for exploring the topological structure and intrinsic characters of urban road network.
小世界模型为研究城市道路网络的拓扑结构和内在特征等提供了新的视角和方法。
Based on analysis of urban sewage systems structure, a designed discharge computation model is presented by using recursive algorithm.
在分析城市污水管网结构的基础上，运用递归计算方法，建立了设计流量计算模型。
During BRDF model constructing in urban areas, two important factors are vegetation covered in urban areas and the geometry structure of the urban.
在城市地区BRDF模型构建时，两个重要的影响因素是城市地区的植被覆盖面积比和城市的几何结构。
The urban structure that forms the regional environment is quantitatively analyzed rising fractal dimensional analyses of a 3-dimension shaded picture, an aerial photo, and a 3-dimension model.
构成区域环境的城市结构以三维因子分析来进行量化分析，此3项因子为：三维的阴影图、航拍图和立体模型。
The hierarchy figure of factors, which affected urban railway transit network scale, was established by the structure model method in system engineering.
运用结构化模型方法，建立了影响城市轨道交通线网规模因素的多级递阶结构图。
A model with hierachical structure is developed for urban traffic signal control system.
针对城市交通信号控制系统建立具有递阶结构的非线性规划模型。
It includes urban road traffic net structure model, traffic flow generation model, vehicle run behavior model, and urban road traffic net analysis model.
该体系结构由城市道路交通网络结构模型、交通生成模型、车辆行驶行为模型、城市道路交通网络分析模型四类模型组成。
To build the relational model between fundamental characteristics of travelers and trip mode choice, effective measures that impact and guide urban trip mode structure have been studied.
建立出行者基本属性与交通方式选择的关系模型，研究影响和引导城市交通方式结构的有效措施。
At last, comparing with other valley-cities, this thesis indicated the model, characteristics and dynamical mechanism of development zone and urban spatial structure evolvement of Lanzhou city.
文章最后通过与同类型的河谷型城市的横向对比，揭示出开发区主导下的兰州城市空间结构演进的特征、模式和动力机制。
At last, comparing with other valley-cities, this thesis indicated the model, characteristics and dynamical mechanism of development zone and urban spatial structure evolvement of Lanzhou city.
文章最后通过与同类型的河谷型城市的横向对比，揭示出开发区主导下的兰州城市空间结构演进的特征、模式和动力机制。
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