1) optimal replacement policy
最优更换策略
1.
Finally,an example is given to determine the optimal replacement policy M=(N1,N2).
在更换策略M=(N1,N2,…,Nk)下,得出了平均费用率表达式,并通过数值模拟获得最优更换策略M=(N*,N*)。
2) replacement policy
更换策略
1.
Under the conditions that the repairman vacation time is respectively random variable and constant,replacement policy is considered based on the working.
在修理工休假时间分别为随机变量和定长的情况下,选取系统的总工作时间T和故障维修次数N为更换策略,以长期运行单位时间内的平均停机时间为目标函数,通过更新过程和几何过程理论建立数学模型,导出了目标函数的解析表达式。
2.
Assume that the system after repair is not "as good as new", by using geometric processes we consider a replacement policy N based on the f.
在该系统为”修复非新”时,我们利用几何过程考虑了以系统的故障次数N为更换策略,以长期运行单位时间内的期望费用为目标函数,通过目标函数最小化确定了最优更换策略。
3.
An optimal replacement policy for series repairable system is studied assuming that the component after repair is not "as good as new" by using the geometric process model.
在假定故障部件不能"修复如新"的条件下,基于几何过程模型研究可修串联系统的最优更换策略。
3) optimal strategy
最优策略
1.
Study on mine fire comprehensive prevention of genetic algorithms optimal strategy;
矿井火灾综合防治遗传最优策略研究
2.
Realization of optimal strategy for power system low-frequency and low-voltage load reduction;
电力稳定控制系统低频低压减载的最优策略实现
3.
Aim at the countermeasure between missiles and targets in space,the space simulation model based on differential games for SAM was established and its optimal strategy of resistance was deduced Moreover the adaptive critic neural networks arithmetic method was presented and used to calculated the simulation model.
针对防空导弹与目标的空间对抗,建立了防空导弹微分对策空间对抗模型,并推算得到了最优策略,运用自适应神经网络评判方法对模型进行求解,通过给定条件下的仿真证明了该算法的有效性,显示了该模型可应用于防空导弹与目标的空间对抗问题。
4) Optimal policy
最优策略
1.
In this paper we discuss the optimal problem on a discrete-time,single item, periodic review inventory system with yield and demand uncertainty, the main objective is to analyze how the uncertainty of yield rate and demand affect the optimal policy and cost in the system.
研究离散时间、单类产品、周期盘点的具有不确定性产出和不确定性需求库存系统的优化与设计问题,主要目的在于分析产出和需求的可变性对系统最优策略和最优费用的影响。
2.
By using the dynamic programming method the optimal policy is obtained.
以动态规划为工具我们得到了系统的最优策略。
3.
Revise the value coefficient of linear programming about production plan problem whose optimum solution had been obtained,and build mathematical model of cost minimization,give optimal policy that total revene increase the fixed value under the condition of unchangeable optimum base of original linear programming.
对已经得到最优解的生产计划安排问题的线性规划的价值系数作出调整 ,建立费用极小化的数学模型 ,给出原线性规划最优基不变的条件下总收益至少再增加一个预定值的最优策
5) optimal policies
最优策略
1.
Using the method of entending state space, we build the optimal equations (OE) and supply some conditions under which the solution of OE and optimal policies existe.
利用扩大状态空间的方法,建立了此模型的最优方程,并给出了最优方程有解及其最优策略存在的条件,从最优方程出发,用概率的方法证明了最优策略的存在性。
2.
The problems of the intrinsic structures of some optimal policies are discussed.
本文建立了一类无界向量值报酬折扣马氏决策规划,在一组无关向量生成的凸锥确定的序关系下,讨论了模型最优策略的存在性;给出强最优策略存在的必要充分条件;指出最优策略的自组合、凸组合策咯仍是最优策略;还证明了平稳策略在一般策略类中的优势。
6) optimum strategy
最优策略
1.
The optimum strategy based on fixed embedding principle is determined and a multi-period SUE assignment model as well as the algorithm is given.
根据不变嵌入原理来寻找最优策略,给出了多阶段SUE配流模型与算法。
补充资料：更换彩壳
随着手机的逐渐普及，人们对手机的要求已不单单是要求其内在的质量或性能，对外观的追求也日益增强，单一的手机外形或外壳已不能满足要求个性的手机用户的需求。所以手机更换彩壳的功能被厂家广泛应用。
更换彩壳顾名思义即手机可以根据用户个人爱好或需求随意更换手机原有外壳。目前，更换手机外壳主要有三种类型：前后壳均可更换；仅能更换前壳；仅能更换前壳上一部分面板。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条