Two problems will inevitably be encountered in the process of facility renewal: First, the old one worn, it should be repaired.
设备更新决策过程中不可避免地遇到两个问题：原设备在发生磨损后，是维修还是更新；
This paper attempts to analyze renewal decision of facility combing economy and technology.
本文就是从经济与技术相结合的方面探讨设备的更新算法研究。
应用推荐