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Based on analysis of the logical key hierarchy scheme and in combination of the superiority that the polynomial expansion performs well in small scale multicast,a modified key management scheme PE-RLKH is proposed.

文章在分析LKH算法的基础上,结合在小规模组播时PE算法性能较好的优势,设计了一种改进的组播密钥管理方案PE-RLKH方案,并给出相应的更新算法。

Based on the traditional kinds of high-level synthesis of power-driven layout algorithm, this paper presents a new process of force-driven scheduling algorithm, in which the algorithm introduce a new data structure as an expression form of list scheduling, and improves the algorithm process.

在高层次综合中基于传统的力驱动布局算法提出一种新流程的力驱动调度算法,在该算法引进一种新的数据结构作为列表调度的表达形式,并改进了算法流程。

This paper introduces the concept of automated intelligent tire design as basis, and then systemically presents the general framework of CAD 3-D digital tire model design platform. Its modules include the demand representation, demand preanalysis, product list generation, product list modeling, testing, tires knowledge-base and tire parts-base. The realizing process and key techniques of the product list modeling module are described, including calculation principle of groove section and groove modeling scheme ,and so on. This paper also introduces an improved algorithm of calculating groove centerline. Finally CATIA platform and VBA toolkit-based tire design system is established under detailed demand representation type.

在提出自动化智能轮胎设计概念基础上,系统地阐述了计算机辅助设计三维轮胎数字化模型开发设计平台的整体架构,包括需求表示、需求分析预处理、产品清单生成、产品清单造型、产品检验、轮胎知识库和轮胎零件库等模块;叙述了数字轮胎设计造型模块的实现过程和关键技术,包括花纹沟截面计算原理和各种花纹沟的造型方案等,同时,还提出了一种改进的计算花纹沟中心线的算法;最后基于CATIA三维造型平台和自动化语言VBA二次开发工具实现了在详细需求表示类型下的轮胎设计系统。

This article in by has in the foundation which the method studies, is easy in view of the standard genetic algorithms in the solution Vehicle Routing Problems to appear precociously, is easy to fall into the partial optimal solution shortcoming, makes the improvement to the traditional genetic algorithms, proposed the multi- populations genetic algorithms.

本文在已有方法研究的基础上,针对标准遗传算法在解决车辆路径问题上容易出现早熟,容易陷入局部最优解的缺点,对传统的遗传算法进行改进,提出了多种群遗传算法(Multiple_population Genetic Algorithms)。

In the heredity community renewal process, the paper uses one kind of new crossover operator——Improvement Order Crossover, the better solution two difficult problems both has been able to maintain the fine characteristic of father generation, does not destroy the sub-way which produces already in the most superior routing, and can guarantee when participation in the crossover two individual body is same, causes the genetic algorithms not to be able precociously to restrain in the partial optimal solution.

在应用遗传算法求解时,提出采用惩罚策略处理目标函数中对车辆容量的限制和客户对不同时间窗的需求约束,从而使目标解所对应的染色体能够根据违反约束的程度,具有不同大小的适应度;在遗传群体更新过程中,本文采用一种新型的交叉算子——改进的顺序交叉,更好的解决了既不破坏父代染色体中已产生的最优子路径,还能保证当参与交叉的两个个体相同时,遗传算法不会早熟收敛于局部最优解的两个难题。

The wasted water treatment was discussed and the detailed advice was given on the design of water supply and drainage system for chemical cleaning and premeditation.

在理论研究的基础上,CWY清洗预膜剂和CWH-99缓蚀剂从实践的角度解决了水质稳定处理中的环境污染问题,在清洗预膜剂的研制与应用中,本文还从系统设计的角度系统地提出了改进措施及技术要求,给出了整套排水净化方案。

In the case of keeping individual diversity and improving the level of adaptability of the individual diversity in the population,the immune genetic algorithm based on selection probability of similarity and vector distance is proposed.

为了防止基于相似性矢量距为选择概率的免疫遗传算法在优化过程中出现退化现象,通过在算法中引入免疫疫苗的方式,对该算法进一步加以改进。

I don't believe in improvements of C++ resulting in a new programming language.

我不相信在C ++的改进在一个新的编程语言造成的。

In the last decade, several evolutionary improvements have been made in the total hip replacement procedure and prosthesis.

在过去十年中,一些进化改进已在全髋关节置换术的程序和假肢。

Using the finitedifference timedomain electromagnetic method and c language program in the matlab software,the spatial electromagnetic field distribution radiation of photoconductive dipole antenna is calculated and displayed on the computer in a pseudocolor graph.

研究了光电导天线产生太赫兹波的辐射特性,利用麦克斯韦方程及其边界条件,计算了近远场的电场强度;采用电磁波时域有限差分方法,在Matlab系统软件中,用C语言编写程序计算光电导偶极天线的辐射太赫兹波的空间电磁场分布,并在计算机上以伪彩色图形显示,这种电磁场的可视化结果为天线的设计和改进提供了直观的物理依据。

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And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时,论述了一体化管理体系构建中的几个主要问题,包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。

If you're huffing and puffing at any point during the run, slow down and make sure you can take deep breathes.

如果你任何时候在跑步过程中气喘如牛,降低速度并且确保你能够深呼吸。