有两个因素有助于把运营所需资金控制在最低的水平上：首先，产品出售可以带来现金流，第二，生产和配送周期短，最大限度地缩减了库存。

First, the product was sold for cash, and that eliminated accounts receivable. Second, the production and distribution cycle was short, which minimized inventories.

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然后基于时间距离的思想，在滚动周期策略的框架下，设计了两级系统的联合配送策略。

Secondly, a joint distribution policy was designed based on the concept of temporal distance under the framework.

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然后基于时间距离的思想，在滚动周期策略的框架下，设计了两级系统的联合配送策略。

Secondly, a joint distribution policy was designed based on the concept of temporal distance under the framework.

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