其中对目标常量与需求变量的分析与把握应该成为对韩汉语教学关注的焦点之一。
Among them, analysing and grasping the objective constant and requirement variable should become one of central issue...
通过对两级库存水平之间及它们与客户随机需求变量之间的关系分析，我们得到了最优的订货策略和最优的运输频率。
By analyzing the relations of two? Echelon inventory level and customer random demand at stores this paper gets optimum order policies.
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