在此基础上重点研究了两个问题，即考虑在途库存成本的运输模型以及需求与前导时间不确定的存储模型。
This part studies two problems: transportation model of delivery stock cost and inventory model for unconfirmed lead time.
该系统会计算和预设安全库存量，当在库和在途的货量低于安全库存水平系统会提醒进行货物补充。
The calculated reorder poi. nt is that predetermined inventory level at which. replenishment action is calle. d for when on.
该系统会计算和预设安全库存量，当在库和在途的货量低于安全库存水平系统会提醒进行货物补充。
The calculated reorder poi. nt is that predetermined inventory level at which. replenishment action is calle. d for when on.
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