将采购提前期视为随机变量，研究供需双方的提前期和批量合作。

When the stock leading-time is a random variable, the leading-time and batch cooperation of supplier and buyer are researched.

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本文在相关理论的基础上，首先考虑采购商的单级库存系统，其中采购商的提前期是可控制的，并且其外部需求是呈正态分布的。

We first consider the single-echelon inventory after introducing the theory about inventory, and the buyer 'lead time is controllable and demand is assumed to be normal distributed.

youdao

本文在相关理论的基础上，首先考虑采购商的单级库存系统，其中采购商的提前期是可控制的，并且其外部需求是呈正态分布的。

We first consider the single-echelon inventory after introducing the theory about inventory, and the buyer 'lead time is controllable and demand is assumed to be normal distributed.

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