EOP, MDP, etc) is a kind of Batch Method, which assumes the arriving of material or product is in batches.

• 传统运筹学中的库存管理方法对原材料或产品的供给过程采用的是批量分析，即通过设定合理的进货批量使库存成本最优，如EOP (Economy of Purchase) 、MDP (Markov Decision Process)方法等。