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It is suggested that the index (1-t2) controlled by all the primary design parameters could be used as the total objective for the hull/propulsor interaction characteristic optimization, which can be carried out by sub-objective optimization controlled by parts of the design parameters and iteration procedure.

推荐采用受控于全部主参数的指标(1-t2)作为船体与组合推进器相互干扰特性优化的总目标,提出了用部分主参数控制的对应分目标优化和迭代来实现总目标优化的简明策略。

The design goal is to provide improved combat utility against groups of targets and not against single targets.

设计目标是提供更好的打击公用事业对群体的目标,而不是针对单一的目标

Firstly, this paper definited pseudometric d for n -foldproduct of σ-algebra A of subsets of a given set X , and definited indicator function ; secondly, gave the concept of differentiable of set function at S° and concept of partial derivative at S° with respect to the ith argument Si through indicator function, and defound the weak efficient solution of and optimality necessary condition; Finally, obtained three weak duality results and strong duality results under generalized convexity conditions.

首先,对已知集X的子集的σ-代数A的n-折积A^n,定义了伪度量d,给出了相应的特征函数〈h,Is〉;其次,通过特征函数给出了集函数在S 可微的定义及集函数在S 关于第i个变量Si的偏导数定义;给出了多目标规划问题的弱有效解概念及的最优性必要条件;最后,分别在目标函数和约束函数的3种较弱凸性条件下,研究n-集函数多目标规划问题的对偶问题,获得了3个弱对偶结果和强对偶结果。

In today that the economies globalization and the informatization, the one who can stood system higher that develop in the strategy click, established amid develop the strategy over a long period of time, and put one's heart and mind into practice strategy, and adjusted the strategy in time will no...

本文在企业战略管理理论的基础上,分析了德阳电业局面临的内外环境变化,利用SWOT分析方法,剖析了企业面临的优势、劣势、机遇、威胁,根据己实现的目标和掌握的信息资料,提出了企业发展战略调整的重点,以及关键职能战略实施的主要内容,并指明了战略调整实施后应达到的目标,强调实施战略目标所必须采取的控制手段,这一系列调整措施实施后,对企业的发展会起到促进作用。

The motionless backgroup situation usually happens at the video camera parked to opposite quiescent condition , the first wipe off yawp by using pretreatment method,the second using the method of difference Statistic in two frame to analyse and compute background , Above this base to utilize the resumeed background and present frame message detect movement target and it"s movement track ; In dynamic backgroup movement image,it is very difficult to exactly compute ground since the background is varied complexly , the article research the optical flow model、 background model、 moving object detection based on entropy,and depart target from background in movement picture , detect moving target and plain it"s track.

静止背景的情况通常发生在摄像机相对静止状态,首先用预处理的方法去除噪声,其次采用帧间差分统计的方法进行分析计算背景,在此基础之上利用恢复的背景及当前帧的信息检测运动目标及其运动轨迹;对于动态背景的运动图像,由于背景是不断变化且呈现出复杂的特征,因此很难准确求出静止背景,本文在光流矢量场和配准方法的基础上探讨研究了光流模型、背景模型和基于熵的方法,在动态图像上分离不同的目标与背景,直接检测出运动目标并画出相应的轨迹。针对运动图像的复杂性,本文提出了构建模型知识库的设想。

Synthesis of target compounds namely: to vanillic acid as the starting material with methanol under reflux conditions for 4 - hydroxy -3 - p-methyl, then ether, and nitration, reduction, cyclization reaction 6 - methoxy -7 - benzyloxy-quinazoline -4 - one, and then by the chloride in place of aniline, benzyloxy-off, such as etherification reaction of the target compounds; target compounds with the second and third occurrence of substitution reactions of amines by the TM1, that is, 4 - amino-benzene -6 - methoxy -7 - [2 - hydroxy -3 -(N, N-diethyl amino) oxy c] quinazoline; with ether occurred Ornidazole reaction of TM2, namely, 4 - amino-benzene -6 - methoxy -7 - [2 - hydroxy -3 -(2 - methyl -5 - nitroimidazole) C oxy] quinazoline.

本论文以嘌呤类似物喹唑啉为母核,分别在其4位和7位引入结构多样的取代苯氨基和柔性侧链,设计了一系列4-取代苯胺基-6-甲氧基-7-(2-羟基取代丙氧基)喹唑啉类化合物。目标化合物的合成即:以香草酸为起始原料,与甲醇回流条件下得到4-羟基-3-甲氧基苯甲酸甲酯,然后经过醚化、硝化、还原、环合反应得到6-甲氧基-7-苄氧基喹唑啉-4-酮,然后再经氯化、取代苯胺、脱苄氧基、醚化等反应得到目标化合物;目标化合物与二乙胺发生胺取代反应得到了TM1,即4-苯氨基-6-甲氧基-7-[2-羟基-3-丙氧基]喹唑啉;通过与奥硝唑发生醚化反应得到TM2,即4-苯氨基-6-甲氧基-7-[2-羟基-3-(2-甲基-5-硝基咪唑)丙氧基]喹唑啉。

in this paper,the stealthy target′s millimeter wave radiation character is studied.the millimeter wave attenuation induced by sea fog is analyzed.and the detecting capability of the ground-based passive millimeter wave radiometry arrays is discussed.according to one dimension 32 channel 8 mm radiometry arrays detecting stealth target,we have a simulation.the results of the simulation show that it is an efficient way in the thick sea fog condition.

摘 要:研究了空中隐身目标的毫米波辐射特性,分析了浓海雾对毫米波辐射信号的衰减,并对无源毫米波辐射计阵列探测热辐射源的性能进行了分析。在理论建模的基础上针对一维32通道8 mm辐射计阵列探测空中隐身目标进行了仿真实验,结果表明毫米波辐射计阵列在浓海雾气候条件下探测空中隐身目标是一种非常有效的手段。

A standard expected value model for multi-objective multi-stage transmission planning is presented to realize the transmission optimal planning with the control of line overloading risks. In this model, a constraint of overloading risks is built with expected value and standard deviation of random line active power and two objectives are given as expected value of the average power loss and discount value of the investment cost. By modeling uncertain informations with probability theory, the probabilistic DC power flow is adopted for the correlated calculations among random variables in the planning model.4 A novel multi-objective transmission planning approach that considers transmission investment profit is proposed. Requests for transmission investment profit and social welfare are involved in the proposed planning approach.

以方案总投资费用贴现值和平均网损期望值为目标函数,建立多目标多阶段输电网规划的期望值模型,以线路有功潮流过负荷随机变量的期望值和标准差构建过负荷风险约束,考虑了风险发生概率和严重程度两方面的特征,通过对不确定性信息的概率建模,利用概率直流潮流进行各随机变量的相关计算,实现了控制过负荷风险条件下的输电网优化规划。4提出考虑输电投资收益的多目标输电网规划方法,综合考虑市场参与者对输电投资收益和社会总福利的要求加热管及其对输电网规划的影响。

Based on the study of a Pareto optimal for multiobjective optimizations , the Genetic algorithms for MOP is studied. Four new operators are introduced into this MGA that are niche technique, Pareto optimal set, nondominated rank and fuzzy penalty function method.

在研究多目标优化有效解集的基础上,对处理多目标优化的遗传算法进行研究,引入小生境技术、Pareto过滤解集,给出了非劣解排序的方法;对小生境技术引入的优越性进行了比较研究,通过算例检验了本文研究的多目标遗传算法的有效性。

Through correlative analysis and path analysis, it finds that (1) the family environment and the colleges and universities environment have direct and indirect influence on self-identity development of students; and (2) the family environment and the colleges and universities environment exert the major effect on self-identity development of students through identity style as mediational variable, so identity style becomes the explanatory base of self-identity status. That is, the predictive effect of diffuse/avoidant identity style for identity diffusion, normative identity style for identity foreclosure, and information identity style for identity achievement respectively is most significant; and (3) family environment that is helpful, supportive, warm, expressive, and promote autonomy and independence possibly makes students form identity achievement or identity moratorium, family environment that is excessively cohesive and warm but lacking independence possibly promote students to form identity foreclosure, and family environment that lacks of supportive and warm possibly make students form identity diffusion; and (4) colleges and universities environments that have better relationship system, clear developmental purpose, and promote to pay attention to societal concerns, critical and explorative qualities, and provide healthy, expressive, democratic, open atmosphere facilitate identity development, in turn form advanced identity. Colleges and universities environments that only emphasize the receival of colleges and universities aims, order and instilments, and scarcely encourage critique, exploration, individuation possibly make students form identity foreclosure. However, the ones that is remote relationship system, and lacking support, and students don't cognize the aim of colleges and universities possibly make students form identity diffusion.

通过相关分析、路径分析发现:(1)家庭环境和学校环境对大学生自我同一性有直接和间接的影响;(2)家庭环境、学校环境对大学生自我同一性影响主要以同一性加工方式为中介变量,同一性加工方式成为自我同一性状态的解释基础,弥散—回避定向同一性风格对弥散型同一性预测力最大,信息定向同一性风格对成就型和延缓型同一性预测力最大,常规定向同一性风格对排他型同一性预测力最大;(3)相互支持、帮助、关心、自由表达和鼓励自主和独立的家庭环境促进大学生同一性的发展,形成成就型或延缓型同一性状态,过度亲密而缺乏独立性特征的家庭环境可能形成排他型同一性状态,而缺乏支持性,关系疏远的家庭环境可能形成弥散同一性状态;(4)良好的关系系统,明确的发展目标,鼓励学生对社会事务关注、倡导批判和探索精神,塑造良好、健康、可供自由表达、民主、开放的文化氛围的大学校园环境促进大学生同一性发展,形成高级、成熟的自我同一性,而一味强调学校目标的接受,强调秩序、灌输,缺乏对批判、探索、个性发展鼓励的学校环境有可能使学生形成排他型同一性状态,但若学校的关系系统疏远,缺乏支持性的民主的风格,目标不能被学生明确感知的学校环境则可能影响学生形成弥散型同一性。

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推荐网络例句

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力