echelon inventory level

By analyzing the relations of two? Echelon inventory level and customer random demand at stores this paper gets optimum order policies.

通过对两级库存水平之间及它们与客户随机需求变量之间的关系分析，我们得到了最优的订货策略和最优的运输频率。

Two-echelon inventory problem with service level constraint and unknown distribution function was analyzed when controllable lead time was sensitive to order quantity.

研究了基于服务水平约束的提前期内需求分布函数未知和可控提前期对订货批量敏感条件下的两级库存优化问题。