It is difficult for policy-maker to make a routing when some unexpected accident or a series of unexpected accidents occur during the transportation process.
运输过程中经常受到某一或一系列突发性道路堵塞等难以预测事件的影响,给决策者制定选路策略带来了较大的困难。
Inbound transportation and production coordinated scheduling problem with temperature reduction jobs;
工件带有温降的生产与前运输协调调度问题
A Brief Analysis of Safety Problem from "Transitional Loading of Oil" in Oil Products Transportation;
浅析油品运输中“转换装油”引起的安全问题
Mechanisms of Copper Uptake,Transportation and Detoxification in Plants;
植物对铜的吸收运输及毒害机理研究进展
Improvement of Domestic Waste Collection and Transport System in Qiqihaer City;
齐齐哈尔市生活垃圾收集与运输改进
Development Trends of Open-pit Transport Equipment for Industrial Minerals abroad;
国外非金属露天矿运输设备的发展动向
As LNG transported on roads not only costs extremely high but encounters frequent traffic accidents,some experts suggest an attempt of transporting LNG tank container on waters.
LNG公路运输成本高,交通事故频繁发生,因而有关专家提出了LNG罐式集装箱水路运输的模式。
The problems in ordering and transporting of steel tubes are analyzed mathematically and synthetically.
对订购和运输问题进行了综合系统地数学分析 ,提出了购运问题的解决方案 ,给出了购运费用最优化数学模型 ,最后指出了在西部开发中的应用 。
This paper mainly studies the forestry cutting and transporting system model with south collective forestry area and its county system based on computer network.
研究适合于南方集体林区特点的森林采伐与运输管理系统模型和基于计算机网络技术的县级森林采伐运输网络系统,分析系统模型的组成、计算内容与计算方法,论述网络结构、软件设计和运行方式,系统的使用显著提高了森林采伐运输管理水平和工作效