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problem characteristics
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  问题特征
     Job-shop Scheduling Problem is a NP problem. In order to study on it effectively, firstly, a Job-shop Scheduling Method Based on Particle Swarm Optimization is advanced in this dissertation after analyzing the problem's research content, evaluative criterions, problem characteristics and conventional algorithms.
     针对车间生产作业调度这一NP问题,论文首先对车间生产作业调度问题的研究内容、评价指标、问题特征及传统的求解算法进行了系统的阐述,提出了基于微粒群优化的车间生产作业调度问题求解算法;
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     According to mental test results and research on examples of the mental clinical consulting in undergraduates, personality characteristics and mental problem characteristics of undergraduates are explored, thus the effective ways to the mental quality education of undergraduates are established.
     通过对大学生心理测查结果、心理门诊咨询案例的研究 ,分析大学生的心理问题特征 ,探讨大学生心理素质教育的有效途径。
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     In the algorithm,a solution representation method and a particle swarm initialization method are firstly designed by means of combining problem characteristics,and then a new particle-updating mechanism is presented,a re-scheduling method for device placement problem is finally provided.
     针对问题特征,构造了相应的编码方法,提出了一种基于启发式的粒子群初始化方法,以及适用于该调度问题编码特征的粒子更新机制,并设计了用于优化物料摆放顺序的再调度算法。
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  “problem characteristics”译为未确定词的双语例句
     In this paper, we design a SA/GA hybrid algorithm for solving multi mode resource constrained project scheduling problem based on the problem characteristics. Thorough computational study for a standard set of project instances which has been widely used, we obtained some satisfactory results.
     本文针对多执行模式资源受限工程调度问题的特点 ,设计了一种 SA/ GA混合算法 ,利用被普遍应用的标准问题对该算法进行了测试 ,取得了令人满意的结果
短句来源
     On the analysis of the problem characteristics and simulation results, via optimizing the selection, crossover and mutation GA operators and their parameters, and importing the "Evolve_Inversion" operator into the standard GA framework, this paper proposes a high_powered global path planning algorithm.
     通过深入分析问题自身特性并辅以大量的仿真实验 ,对遗传算法的选择、交叉、变异等操作及其相关参数作了深入细致的优化 ,同时将“进化逆转”操作引入标准遗传算法框架中 ,最终获得了一种性能良好的全局路径规划算法 .
短句来源
     According to the problem characteristics,it is solved by hybrid evolutionary algorithm in which conventional local-search optimization technique and GA are combined,and the negative effect of initial value given for optimization result in heuristic method is avoided.
     根据模型的特点 ,采用了混合遗传算法进行求解 ,将局部搜索算法的快速性与遗传算法的全局收敛性有机地结合起来 ,有效避免了因初始值不同对优化结果造成的不利影响。
短句来源
     Existing methods for continuous nearest neighbor search are introduced in this paper. From geometric problem characteristics, algorithms based on R-tree are proposed. The algorithms avoid the false misses and the high processing cost and can implement continuous nearest neighbor queries for moving objects efficiently.
     本文分析了目前进行连续最近邻查询的几种方法,并由该问题的几何特征入手,提出了基于R-tree的查询算法,可以避免分割点的丢失和高代价的查询,能够有效地完成移动对象的连续最近邻查询。
短句来源
     The authors have made specific research on the development and investment of HuBei ethnic minority's traditional sports tourism market on the basis of analizing its problem,characteristics and advantages. Then,we put forward the countermeasure and suggestion that how to carry on its market development and make investment. The purpose is to develop the traditional sports tourism resources of ethnic minority,foster its traditional sports tourism market,make its traditional sports tourism's characteristic brand.
     在分析湖北省体育旅游市场现存问题的基础上,结合湖北少数民族传统体育旅游市场自身的特点、特色及其优势,对湖北少数民族传统体育旅游市场的开发与投资进行了具体的分析研究,旨在开发少数民族传统体育旅游资源,培育少数民族传统体育旅游市场,打造少数民族传统体育旅游的特色品牌。
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  相似匹配句对
     On Problem's Micro-characteristics
     试论问题的微观特征
短句来源
     On the Characteristics of the "Problem News-report
     试论问题新闻的特性
短句来源
     problem.
     潮滩环境问题越来越多元化、复杂化。
短句来源
     characteristics;
     三、发展的特点;
短句来源
     The characteristics of G.
     论文首先对语音编码的各种方案进行了比较,并对G.
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  problem characteristics
Empirical data suggest that illicit opioid users outside treatment are characterized by various health and social problem characteristics, including polydrug use, physical and mental morbidity, social marginalization, and crime.
      
UNIMEM is a robust program that can be run on many domains with real-world problem characteristics such as uncertainty, incompleteness, and large numbers of examples.
      
UNIMEM is a robust program that can be run on many domains with real-world problem characteristics such as uncertainty, incompleteness, and large numbers of examples.
      
While doing so, we empirically investigate the key problem characteristics that make the problems more amenable to one solution technique or the other.
      
Several conditions concerning the application of the proposed property with respect to best first, depth first, breadth first search strategies and problem characteristics are presented.
      
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This paper investigates two problems concerning therelationship between planned economy and market economy. The authorholds that the integration of planned economy and market economy isan economic problem characteristic of socialism, and that a commonbasis must be found for the integration of the two.

本文就计划与市场的关系探讨了两个方面的问题。笔者认为:计划与市场相结合是社会主义特有的经济问题;计划与市场相结合必须寻找并建立共同的基础。

In the transition toward socialist market economy in China, there is an urgent need to reform the current social security system. With this in mind, the author has studied the successful experience of some developed countries and pointed out new strategies to further reform Chinese social security system on the basis of five problems characteristic of this country.

在我国向社会主义市场经济体制的转化过程中,迫切要求改革现行的社会保障制度。本文在借鉴了世界经济发达国家成功经验的基础上,紧紧抓住最具中国特色的五个问题,对我国在社会主义市场经济条件下的社会保障制度建设提出了新的改革思路。

This paper summarizes theories and methods utilizing historical observation data presented by Chinese meteorologists in numerical weather prediction(NWP). Not only real present evolution data is discussed but also discussed the problem utilizing historical observation data that accumulated ten years. The anthors point out that it should change the way NWP is put forward and review the process of this change from initial condition problem to evolution problem and to again inverse problem....

This paper summarizes theories and methods utilizing historical observation data presented by Chinese meteorologists in numerical weather prediction(NWP). Not only real present evolution data is discussed but also discussed the problem utilizing historical observation data that accumulated ten years. The anthors point out that it should change the way NWP is put forward and review the process of this change from initial condition problem to evolution problem and to again inverse problem. Based on the real problem characteristic, three idealized cases were classified: (1) both the numerical model and data is exactly credible but there are parameters without observation; (2) the data is credible but there is error in model; (3) the numerical model is credible but data has error. So called the four dimensional variational data assimilation is really belongs to the third case above, but it only utilize present evolution data and didn't utilize historical data. In real world, because both the model and data are not exactly credible, it should change forecast problem to information problem. In this way, we can assess the future weather probility by utilizing both historical observation data and physical law of atmospheric process evolution.

对中国气象学家在数值天气预报中使用过去实况演变资料的理论和方法作了概要性总结。其中不仅讨论了近期实况演变资料的应用,还讨论了积累数十年的历史资料的应用问题。文中强调要改变对数值预报问题的提法,回顾了由初值问题改为演变问题,再改为反问题的历程。文中指出,针对实际问题特点的不同,可以理想化为三种情况:一是模式是精确的,资料也是精确的,但有的变量没有观测资料;二是资料是精确的,模式有误差;三是模式是精确的,资料有误差。而所谓四维变分同化方法,不过是属于第三类,而且只应用了近期演变资料,没有应用历史资料。由于实际情况通常是模式不精确,资料也不精确,文中提出应在不确定的前提下,把预报问题提成一个信息问题,充分利用已掌握的实况资料以及我们对过程演变物理规律的一定程度的了解,对未来状况作出概率的估计。

 
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