城市定向

城市道路定向问题及其算法

City road orientation problem and algorithm

介绍了研究城市道路定向问题的意义及城市合理定向的概念，给出图的合理定向的定义，研究了图的定向的一些性质，还给出几个特殊图合理定向存在的充要条件。

The importance to investigate the city road orientation problem and the conception of city road reasonable orientation are introduced , the definition of reasonable orientation is given and some properties of orientation are obtained .

城市单向道路定向方法研究

Research on the Directional Method of One - way Road in the City

乌海打造绿洲式生态型矿业城市的战略定向

Strategy to Construction of Ecological City in Wuhai

硫酸盐还原菌对城市污泥厌氧发酵定向产乙酸的影响研究

The Effect of Acetate Production from Anaerobic Fermentation of Sewage Sludge by Sulfate Reducing Bacteria

产亚硝酸还原酶菌株发酵特性及酶在肉制品中的应用硫酸盐还原菌对城市污泥厌氧发酵定向产乙酸的影响研究

The Study on the Strain Fermentation of Nitrite Reductase and Its Application in Cooking Sausage The Effect of Acetate Production from Anaerobic Fermentation of Sewage Sludge by Sulfate Reducing Bacteria

健康城市：城市规划的重新定向

The Healthy City : the Reposition of Urban Planning

大城市之未来&城市结构上的定向扩展与城市建设上的内向扩展

The Future of Large Cities

从城市路网的优化改造、城市道路的合理定向和城市交通信号灯智能控制三个层面，系统的分析和讨论城市交通的优化改造与智能管理；

By three levels of the optimal modification in the traffic network , reasonable orientation of the roads and the intelligent management , we discuss and analyze the traffic problem in a system view .