This paper studies complexities of multiple demands vehicle routing problems (MVRP).
本文研究了多重运输调度问题的计算复杂性。
In chapter 4, we research models and algorithms of vehicle routing problems with stochastic time.
第4章研究了随机旅行时间车辆路径问题的模型和算法。
In the dissertation, the vehicle routing problems (VRP) with transshipment points are mainly studied.
本文主要对带有转运中心的各类车辆组合运输问题进行了研究。
With the complicated logistics environment and enlargement of logistics area, the interaction between location allocation problems and vehicle routing problems grow larger.
随着物流环境的复杂化，物流区域的扩大化，设施定位问题和运输车辆路线安排问题之间的相互影响也越来越大。
In kinds of the optimum problems of logistic, the vehicle routing problem with time window has been focused in the area because of its enormous benefit since it was proposed.
在物流的各种优化问题中，有时间窗的车辆路径问题由于其巨大的经济效益，从它被提出以来就一直是业界研究的热点。
In kinds of the optimum problems of logistic, the vehicle routing problem with time window has been focused in the area because of its enormous benefit since it was proposed.
在物流的各种优化问题中，有时间窗的车辆路径问题由于其巨大的经济效益，从它被提出以来就一直是业界研究的热点。
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