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在维修更换策略的概念、方法和模型（Ⅰ）中给出了维修更换问题的建模方式，建模方法，本文继续给出关于维修更换策略的若干种常见的模型和进一步研究的问题。
In the concept, method and model (1) of maintenance and replacement strategy, the modeling methods and modeling methods of maintenance and replacement are given. This paper continues to give some common models and further research questions about maintenance and replacement strategy.