Two basic assumptions of the classical economic order quantity (EOQ) model are the model has infinite horizon and the costs are static.
经典的经济订购批量（EOQ）问题有两个基本假设：时域无限和模型的费用参数不变。
For the condition of allowing shortages and time limited backorders, an economic order quantity (EOQ) inventory model is researched and put forward. It is different from a general one.
就允许缺货，限时欠交订货情况下，对经济订购批量（EOQ）模型进行了研究，提出了不乏一般性的EOQ模型。
However, the study also shows that the raw materials can be purchased either using the JIT purchasing method or the traditional economic order quantity (EOQ) purchasing method.
而原材料有的是采用经济订货量(EOQ)采购，有的是采用JIT(及时)采购。
In this paper, a class of discrete deterministic zero lead time economic order quantity(EOQ) inventory models with limited period is studied.
本文研究了水泥这类具有有限使用期的物资在施工中的需求变化规律，并提出了相应的最优订货策略。
In this paper, a class of discrete deterministic zero lead time economic order quantity(EOQ) inventory models with limited period is studied.
本文研究了水泥这类具有有限使用期的物资在施工中的需求变化规律，并提出了相应的最优订货策略。
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