第二章分析了废弃物物流与GIS技术的理论基础，并对GIS技术在城市废弃物物流系统中的应用研究状况进行了分析。
The second chapter analyzed the theoretical foundation of the waste material logistics and gis technology. Then it analyzed the application method of gis in waste material logistics system.
本文在现代物流技术基础，特别是车辆调度和蚁群算法的基础理论指导下，针对现代物流运输车辆的调度优化问题，进行了理论、方法与模型的研究工作。
Based on the modern logistic technology, especially the vehicle scheduling and the ant algorithm theories, this paper make a research in theories, methods and models aiming at the present problems.
物流是一个系统性强、技术含量高、涉及面广、理论与实践结合紧密的专业。
The logistics has high technological content and closely combines theories with practice.
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