To establish a parts distribution center and some same horizontal 4s shop replenishment models, and it gets a inventory cost formula of horizontal replenishment and a formula of service level.
建立包含一个备件配送中心和几个相同4s店的横向补货模型，得到横向补货的库存成本公式和服务水平公式。
2
The offsets for replenishment cycles of multiple products were used to reduce warehouse space and the relevant cost.