查询词典 systems engineering

In this introductory book, Groover not only takes a modern, all-inclusive look at manufacturing processes but also provides substantial coverage of engineering materials and production systems.

在本书中介绍，格鲁弗不仅需要一个现代化的，全方位的制造过程包括外观，但也提供了工程材料和生产系统大量报道。

In the HVDC engineering, it will produce a series of harmonic which than the fundamental frequency of power grid, and the harmonic have adverse effects with the power systems, equipment and power grids.

中文摘要：摘要：在高压直流输电工程中会产生一系列大于电网基波频率的谐波，而谐波的存在会对电力系统、设备及电网造成不良影响。

Second, the heterogeneousness and changeability of component runtime environment build many blocks in component assembly, integration, and interoperation.Model-Driven Architecture is a new framework given by OMG based on UML, MOF, XMI, CWM, and etc, concentrating on using formal model to understand, design, operate, and evolve all aspects of enterprise systems, using software engineering methods and tools.

模型驱动体系结构是OMG在UML、MOF、XMI、CWM等成功技术标准的基础上提出的一种新的系统框架，它提倡使用形式化的系统模型作为解决企业应用系统集成问题的核心，通过使用软件工程方法和工具去理解、设计、操作、发展企业系统的所有方面，从而为企业应用在不同生命周期阶段的集成提供了完备解决方案。

Works are expected to become a generation of software products, the volume of steel two-in-one software project to create a building of reinforced concrete hybrid computing model, BOQ software standards the first to adapt to national unity has become a model for the industry. In 2004, the industry can make the concept of data centers, engineering data to build professional web sites to provide data services. In 2005, the company launched Project Cost Management System, in the tools software, data services, cost management began three areas to provide customers with a comprehensive project cost computing services. In 2006, the company will focus on project management, systems management for industry to shape the revolutionary professional computing platforms for clients to build project management system.

工程预算软件成为一代精品，钢筋工程量二合一软件开创建筑钢筋、混凝土混合计算模式，工程量清单软件率先适应全国统一标准，成为行业典范。2004年，公司为行业提出数据中心概念，建立专业工程数据网站，提供数据服务。2005年，公司推出工程造价管理系统，在工具软件、数据服务、造价管理三个方面开始为客户提供全面的工程造价计算服务。2006年，公司将致力于工程管理领域，为行业走向系统管理塑造革命性的专业计算平台，为客户打造工程管理体系。

Today, a lot of application systems combine with GIS, such as diagnosis Expert System including the diagnosis the varies aspects of society, economy, and agriculture; forecast Expert System including the forecast of weather, hydrometeorology, population, geography, economy, military affairs, politics, etc; Decision Supporting System including the aspect of engineering design, programming, consultation, management etc.

现在许多应用系统所涉及到的问题都与地理信息有关，例如：诊断专家系统中的社会、农业、经济等方面的各种诊断和排错系统；预测专家系统中的气象、水文、人口、地理、经济、军事以及政治等方面的预测分析系统；工程设计、规划、咨询和管理决策等方面的专家系统，都离不开地理信息的支持。

We shall utilize comprehensively the theories and practices of hydrometry, ecology, environmental science and systematic engineering to divide the upper reaches of Li River into five sub-systems such as headwater forests, riverbed, changing volume in wet and/or dry seasons, faculties for retaining water and controlling flood, and the bearing capacity of the water resources so as to construct a systemic analysis framework for the research of this area.

综合运用水文学、生态学、环境科学、系统工程学等理论和方法，将漓江上游流域划分出水源林、河床、丰枯期水量变化、蓄水减洪设施、水资源承载力五个子系统，构建起漓江上游水资源的系统分析框架。

The result of benefit evaluations indicator system show that the seven location built by ecological engineering will help to distinguish the integration of local ecological network and irrigated ecological systems. The biomass, IBI index and results of ecological efficiency assessment are best of Yongcyuan waterway and in Taitung and Kolin Yongcyuan waterway in Yiland for irrigation canals and drainage canals respectively. Thus, the results can be an reference point of other locations selecting in future, benefit evaluating, design and construction.

效益评估方法评估结果发现七个实施生态工程建设地点皆有助於区域生态网络及基地生态体系完整度之提升，而圳路类以台东涌水圳、大排类以宜兰柯林涌泉圳的生物量、IBI指数、生态效益评估结果最佳，可作为后续其他工程地点选址、规划设计施工、效益评估之参考点。

Secondly, the paper is expanded from follow three aspects: the virtual design, the virtual process and the product data managementduring the developing the torque converter. Applying the key technique of concurrent engineering---design for function, design for assemblyand design for manufactureof the method of design for "X", the virtual design of the torque converter is accomplished in CATIA V5. Then the model constitution and the simulation of virtual process of the torque converter is done in CATIA V5, including the model constitution and the simulation of 5-aixe NC virtual process of the vane, the model constitution（material:PVC） of the idler pulley rapid prototypingand the virtual assembly and the motion simulation of the torque converter, etc. 3-D data exchange between various CAD systems is realized by using STEP standard. The lever of classing the character model of the torque converter is given. And the access authorization is set up and given to manage the partners' reading/writing the product data.

应用并行工程的关键技术之一——面向产品全生命周期的设计DFX中面向功能的设计DFF、面向装配的设计DFA和面向制造的设计DFM的方法，在CATIA V5中完成液力变矩器虚拟设计；在CATIA V5中对液力变矩器进行虚拟加工建模和仿真，包括液力变矩器导轮叶片五轴数控加工刀轨建模与仿真、导轮快速成型RP建模、液力变矩器虚拟装配和运动仿真等；采用STEP标准实现多CAD系统之间三维数据交换，提出液力变矩器特征模型的分级标准并对三维模型数据进行分级管理，制定相应的权限等级以规范合作厂家的产品数据管理层次。

SUMMARY Study on the reliability of metal cutting tools is imperatively important for modern production engineering, especially for the highly automatic manufacturing systems.

金属切削刀具的可靠性是现代高度自动化加工过程中必须解决的重大课题之一。

With the increase of the engineering applications of broadband signals and non-linear systems, the study of time domain integral equation methods for analysis of transient electromagnetic scattering and radiation phenomena is more and more active.

随着宽带信号和非线性系统的工程应用日益增加，用于分析瞬态电磁散射和辐射现象的时域积分方程方法研究也日趋活跃。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐