事实上，由于现状如此糟糕，大家普遍预计经济将停止下滑，并伴随公司库存周期回转和恢复订货在未来6个月内开始反弹。

Indeed, things are so bad that it is generally assumed that they cannot get any worse, and will instead improve over the next six months as the inventory cycle turns and firms restock.

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根据库存变化周期和经济订货批量，采用定期与定量相结合的订货方法，实现最低库存成本。

The lowest stock cost is achieved by adoption of combination order of regular and quantitative ways based on the stock cycle and economical order quantity.

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如何根据生产需要对材料的订货批量、订货批次及订货周期进行决策，将影响到企业的产品成本和经济效益。

So how to make decision of the order batch, order quantity, order period of the materials according to the production need direct influences on the economic benefit.

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