讨论了在不确定性环境下，采取周期性盘点策略的复杂物流系统中各实体订货点量的建模与仿真问题。

This paper discusses modeling and simulation of order-up-to levels of entities in CLs in an uncertain environment where periodic review policies are adopted.

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郊区的平均订货量要大。可能是因为人们稍微富足一点，也可能因为家庭与单身比更高。这就是为什么郊区总会是我们们做生意的好买家。

The suburbs also have a higher average order size. That's possibly because people are a little more well-to-do but also because there's a higher ratio of families to singles.

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传统的企业库存管理侧重于优化单位个体的库存成本，从存储成本和订货成本出发确定经济订货量和订货点。

The traditional inventory management always focus on optimizing the inventory cost of the company itself. It makes its decision of order quantity according to its inventory cost and delivery cost.

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