最优策略

And an optimal operation strategy of any kind of products subject to spoilage at any time is obtained on the basis of the proposition of the model of distributed parameter control systems. Moreover, definite economic explanations to spatial adjoint function and control variables are presented.

通过建立可变质产品的最优经营管理的分布参数控制系统模型，得出了零售企业每个瞬间每种可变质产品的最优经营管理策略，并对空间伴随函数和控制变量给出了明确的经济学解释。

In this paper, we firstly introduce" Bertrand paradox", then by improved Hotelling model, explain rationally" Bertrand paradox", then we define oligarch's advantage cost, offer each oligarch's perfect positioning strategy under differential cost.

本文首先介绍了伯川德悖论，接着利用改进的霍特林模型，对著名的"伯川德悖论"进行了合理的解释，定义了寡头的成本优势，给出了具有不同成本优势的情况下，不同寡头的最优定位纯策略和各自的最优利润。

In this paper, a model is developed to study the trandeoff between them under cannibalization strategy. Optimal time-to-market and duration of the overlapping stage conncerned with cannibalization rate are obtained.

文中研究了在新旧产品并存策略下新产品开发时间与产品性能之间的平衡问题，得到与成长率相关的最优产品开发时间和最优阶段重叠量。

The algorithm uses an efficiency and more cupidity operator to decode, it makes genetic evolution beginning from several civilization populations which has more high average fitness. It use "communism" transfer tactic which output the best individual of population to all of other population termly, to make best individual shared, and lastly make all population together evolving.

该算法采用高效的超贪心算子进行解码，使遗传进化过程从多个平均适应度较高的文明群体开始进化，并采用定期将各群体的最优个体输出给其他群体，使得最优个体共享，促进所有群体共同进化的共产主义迁移策略。

The index of slipping friction work is incompatible with that of shock intensity. In order to form an integrative optimization between shock intensity and slipping friction work, different gear shift control strategy have been made to find a compromise between shock intensity and slipping friction work according to different work condition of E.T.

滑磨功和冲击度这两个指标相互制约，因而为了达到综合最优，针对电动变速驱动单元不同工作状况，制定了不同的换档控制策略来达到冲击度和滑磨功协调最优。

In this thesis, the case study of K Company\'s practice reveals that freight distribution within a relative small region can reach to an optimal point by creating frontier freight distribution center and taking advantage of abundant labor resources as well as modern logistics techniques.

本文主要通过K公司的实践，通过设置前线物流分拨中心，尽可能利用我国丰富的人力资源，结合可行的现代物流技术，达到小区域局部配送最优；同时，利用小步改进，效果累积的策略，达到整体长期最优，最终展示了一种低成本，运营效果却能满足和促进企业发展需求的快速消费品同城配送方案。

Thirdly, the problems of institution investor'optimal liquidation strategy and optimal liquidation time were investigated with the conditions that the price of risky asset followed arithmetic Brown motion and liquidation velocity was limited. The problems involved the following scenes: price impact function was linear expression of liquidation velocity which was boundary closed set with an isolated point; price impact function was stochastic; price impact function was nonlinear.

接着，当风险资产的价格服从算术布朗运动，且对投资者的变现速度做出限制时，研究机构投资者的最优变现策略和最优变现时间问题，其中包括：价格冲击函数为变现速度的线性函数，变现速度是一带有孤立点的有界闭集；价格冲击是随机形式；价格冲击是变现速度的非线性函数。

An optimal power flow based learning model for two-layer medium- and long-term optimal bidding strategy is proposed.

文章提出了以最优潮流为基础的双层中长期最优竞价策略学习模型。

A control strategy based on optimal control and optimal filter for dynamic voltage restorer was proposed.

提出基于最优控制和最优滤波的动态电压恢复器控制策略。

By means of the semigroup theory, spectrum theory, positive cone theory, integrated equation theory and optimal control theory, we obtain the existence of thresholds of these models, the existence and stability of the infection- free equilibrium and the endemic steady state, and the existence of optimal vaccination strategies, etc.

运用泛函分析中的半群理论、谱理论、正锥理论以及积分方程理论和最优控制理论，系统地研究了这些模型的阈值的存在性，无病平衡态和地方病平衡态的存在性和稳定性，最优接种疫苗策略的存在性等。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。