查询词典 transportation problem

Based on Advanced Public Transportation System, the paper studies the vehicle dynamic dispatching problem of singular bus line. A real-time operational control model is developed to deal with the problem, which proves to be a convex programming.

基于先进公共交通系统环境，研究了城市公共汽车单线路运行系统的动态调度问题，建立了公交车辆运行的实时控制模型，证明其为凸规划问题。

It researches on the approach to achieve continuous connections of container multimodal transport logistics system. Based on the idea of continuous connections the paper discusses the container transport choosing route problem. It combines the appropriate adimensionalize method in the appraisement method and mathematic model and resolves the problem that the unit of time and cost disunite and sets up the time-cost transportation route optimizing model which is an innovation on the basis of previous studies and gives an example to validate the model using the LINDO software.

在"无缝衔接"的思想下研究集装箱运输路径选择问题，在前人的研究上进行了创新，将评价方法中的合适的无量纲化方法与数学模型结合，解决了时间和成本单位不统一的问题，建立了时间—成本运输径路优化模型，并举例验证应用LINDO软件进行求解，说明了此模型的正确性。

A layered multimodal network diagram for routing purposs is built. The viable routing problem is then formulated as a generalized shortest route problem with penalty factor, aiming at minimizing the cost of the total transportation in multi- modal networks. Assumptions and detail descriptions of the model are presented. Compendious solution thought and consultable algorithms are provided.

通过构建直观的联合运输网络图，以总运输成本最少为优化目标，将多方式联合运输合理路径的选择和优化问题转化为含有超期惩罚因子的广义最短路模型，对模型的假设和数学形式做了详细的描述，并提供了简要的求解思路和参考算法。

It researches on the approach to achieve continuous connections of container multimodal transport logistics system. Based on the idea of continuous connections the paper discusses the container transport choosing route problem. It combines the appropriate adimensionalize method in the appraisement method and mathematic model and resolves the problem that the unit of time and cost disunite and sets up the time-cost transportation route optimizing model which is an innovation on the basis of previous studies and gives an example to validate the model using the LINDO software.

在&无缝衔接&的思想下研究集装箱运输路径选择问题，在前人的研究上进行了创新，将评价方法中的合适的无量纲化方法与数学模型结合，解决了时间和成本单位不统一的问题，建立了时间—成本运输径路优化模型，并举例验证应用LINDO软件进行求解，说明了此模型的正确性。

As a precondition to solve the problem of urban transportation, evaluating transportation performance validly also becomes more significant.

作为解决城市交通问题的前提——交通运营状态的合理评价，也由此变得愈发重要。

Considering the characteristics of urban freight transportation and the complexity of the consecutive location selection, the non-restraint location selection problem existing in urban freight transshipping station s is analyzed, on the basis of which an optimized mathematical model to solve the problem is established and the effective genetic algorithm for the model is constructed.

结合城市货物运输的具体特点及连续选址问题的复杂性，在分析城市货物换装站非约束选址问题特点的基础上，建立该问题的优化数学模型，并构造求解问题的有效遗传算法。

This thesis studies security transportation of timber vessel, probes into the problem about stability during transportation of timber vessel and discusses how buoyancy produced by deck cargo of timber affects the improvement of the arm of force of stability.

本文就运木船的安全运输进行了探讨，深入的研究了木材船运输中最常见的稳性问题，考虑了木材甲板货产生的浮力对稳性力臂增加的影响。

Public transportation line choice problem is the most important issue in query of public information. This paper gives the mathematical models and algorithms of optimal public transportation line choice according to the different request of the questers.

公交线路选择问题是城市公共交通信息查询的重要内容，本文建立了满足不同公交线路查询者需求的最优线路选择模型并给出了相应的算法。

This paper studies the problem of radioactive goods loading and transportation. The purpose is to combine transportation safety and railcar capacity utilization.

研究铁路货物运输中放射性物质的载运问题，目的是把安全运输与车辆的合理利用有机结合。

The objective function is both subjected to the general facility location problem constrictions and the characteristics of railway transportation and working style constrictions, such as the amount of goods attracted, rail direct transportation style, the capacity limitation of rail line.

基于铁路运输组织，考虑物流节点选址问题一般约束的同时兼顾战略装车点覆盖货源量、车流整列配发及线路通过能力约束对目标优化的影响。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了