查询词典 transportation problem

For the purpose of solving the shortest path problem between any two nodes on urban traffic networks, We present a mixed connected graph representing the urban transportation networks, and choice set of main line is proposed in our disertation, according to urban road layout and rule of vehicle rout, we supposed a multi-phase labeling algothrim base on classical Dijskra labeling algorithm, a list of examples for all possible relation between two nodes are provided, all the examples is calculated by the proposed computer program, which indicates that this algorithm is feasible and effective.

为了研究城市路网上任意两顶点间的最短路问题，结合城市交通特点提出了最小干线选择集的概念，在著名的Dijkstra算法基础上，根据城市路网布局和配送车辆行车规则，给出一种多阶段定向搜索标号算法。

Along with the acceleration of urbanization, motorization, urban transportation problem has been deteriorated increasingly in China.

城市交通系统与土地利用互动关系研究一直都是城市地理学家、城市交通规划师和城市规划师研究的一个热点课题。

This paper studies the transportation problem with the form of multimodal transport.

该文对需经过多式联运过程的运输问题进行了研究。

For the improvement of supply and better development of The LiaoHe oil-field Exploration Bureau, this text studies the inside and outside environment and the present supply logistics management situation of the Bureau, find out the main problem: nonsupport of second class unit to joint purchase; high Purchase cost, low level of informatization of logistics management and poor use of warehousing and transportation resources, then using supply chain management theories and modern strategy purchase management theories, put forward the development layout of the supply company.

为了让辽河油田勘探局更好的发展，提高物资采购供应质量，本文在对辽河油田勘探局内外部环境及其现有采购供应物流管理现状进行分析的基础上，指出了存在的主要问题：二级单位对统一采购不支持、采购成本高、物流管理信息化程度低以及仓储和运输资源没有充分利用。在充分论述了战略采购对辽河油田勘探局的重要性后。

A large-scale nonlinear optimum programming model to solve the optimization problem of multilevel hierarchical transshipment system in logistical transportation was established.

建立了解决多级递阶物流中转运输系统优化问题的大规模非线性最优规划模型。

A largescale nonlinear optimum programming model to solve the optimization problem of multilevel hierarchical transshipment system in logistical transportation was established.

建立了解决多级递阶物流中转运输系统优化问题的大规模非线性最优规划模型。

Happening as a result of problem of urban public traffic is not isolated, however the result that collaboration of put together of many sided element uses, because this article puts forward public traffic of preferential development city to ought to be above all on program level,adopt " quaternity " design thought, the program construction of system with the preferential sex that makes public transportation system plans and overall city is harmonious and uniform.

由于城市公共交通问题发生不是孤立的，而是多方面因素综合作用的结果，因此本文提出优先发展城市公共交通应当首先在规划层面上采取"四位一体"的设计思想，使公交系统规划的优先性与城市总体的规划系统结构协调一致。

The research on its principle and the character of the problem discussed shows that the game theory may be applied to the selection of repetitiveness transportation corridors.

通过对博弈论原理和竞争性运输通道选择问题的特性的研究，可以用博弈论的方法和原理比较和选择竞争性运输通道。

The problem of transportation and time can be solved by producing hill sand in regions with abundant resource which can also lower cost and save river sand. High performance concrete has been playing an important role in the advancement of building industry.

高强混凝土在促进整个建筑业的进步方面功不可没，但是随着应用的混凝土等级的提高，特别是对于70MPa以上的混凝土已暴露出自身的一些缺陷，如混凝土强度与流变性能之间的矛盾，体积稳定性问题，抗硫酸盐类侵蚀性能力的下降等。

The shortest path problem of dynamic directed networks is significant in the disciplines of transportation and communication systems.

有向网络的最短路问题在交通、通信系统的最优路径计算以及多阶段决策过程的最优轨线设计等实际问题中有着重要应用。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。