A simulation model of inventory system is set up through turning the stochastic and uncontrolled demand control problem into the method of setting up safe inventory.
该文首先通过将随机的、不可控的需求控制问题转化为安全库存设置问题的方法，建立了库存系统的仿真模型。
Setting up relation of corrosive quantity and time of corrosived pressure pipelines, setting up model of GM (1, 1), and then carry through precise check up, finally study pressure piping reliability.
建立了压力管道受到腐蚀时的腐蚀量与时间的关系，建立GM(1,1)模型，然后对模型进行精度检验，最后对压力管道的可靠度进行研究。
Through setting up the model characteristic storehouse and describing the systematic procedure, this paper states its principle based on the description of the frame of Intrusion Detection system.
在入侵检测系统框架的基础上，通过建立模式匹配的模型特征库和描述系统的流程来说明入侵检测系统的原理。
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