如果配送资源不受限制，总配送成本不受顾客的库存成本的影响，问题转化为带有时间窗的车辆路径问题(VRPTW)。

If the resource is infinite in the distribution center, the distribution cost is not affected by the custom inventory, the problem is a vehicle routing problem with time window (VRPTW).

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数值实验证明了库存路径问题得到的解要优于一般的车辆路径问题得到的解。

The numerical experiment has proved the value of Inventory Routing Problem whose total cost is much less than that of general Vehicle Routing Problem.

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