在前面定性分析基础上，分别建立生产型企业和销售型企业有需求提前期的库存优化模型，得出成本决策变量的最优解。
Based on the above qualitative analysis, it constructs an inventory optimizing model for manufacturer and storing company respectively, fingers out an optional result of the cost decision variable.
研究仿真模型的输入参数如订货提前期、客户需求间隔对横向补货库存系统服务水平、库存成本的影响，得到一些结论。
It inputs parameters such as lead time, customer demand inventory replenishment interval of the horizontal level of service and inventory costs. And some conclusions are drawn.
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.
研究了弹性需求下提前期可控的库存与定价联合策略问题。
How to decide the policy combining inventory and pricing with both controllable lead time and elastic demand is the problem to be solved.
市场需求随机、订货提前期确定；
研究了提前期不确定情况下总装生产物料需求计划的优化问题。
Research on Bill of Material and Material Requirements Planning in MRP System;
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。
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。
Two-echelon inventory problem with service level constraint and unknown distribution function was analyzed when controllable lead time was sensitive to order quantity.
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