查询词典 software engineering

In this paper, a soft-switching technology scheme, which can be applied to vehicle-carried invertors, has been researched at the base of engineering practice .The principle and control strategies of soft-swiching are also discussed in detail. Furthermore, software and hardware components are discussed particularly by using shift phase control technology properly and the combination of DSP and IGBT.in result, the vehicle-carried invertors have the characteristics of small volume, light weight, high integration and high frequency.

本论文从实际应用的角度出发，研究适用于车载逆变器的软开关技术方案，详细分析了软开关技术的原理与控制策略，将移相控制技术合理利用和改进，用DSP与IGBT组合搭配，对逆变器的软件和硬件组成做细致的研究，使车载逆变器具有体积小、重量轻、集成度高和高频性能等优点。

The software of the multiplier media CAI of Engineering graphics meeds lots of three-dimensional colour animated cartoons.

《工程制图》多媒体CAI课件需要制作大量的三维真彩色动画，由于这种动画的数据量很大，因此，制作工程多媒体CAI课件在难度上比一般的多媒体CAI大。

In this paper, a systematic introduction has been given about the design thought, scheme, functions, specialities and use situation of the strip mill engineering system sorftware, It is verified in use that the software has a good practicability.

系统地介绍了板带轧机工程系统软件的设计思想、实施方案及其功能和技术特点。

The relationship between an object s three dimensional entity and its two-dimensional multi-views can be expressed vividly and visually by Solid Edge V11 parametric molding software, which constructs three-dimensional entity model and represents an engineering object spatially and dynamically.

用SolidEdgev11参数化造型软件建立三维实体模型，以真正的空间概念和动态方式表示工程对象能形象直观地表达一个对象的三维实体与多幅二维视图之间的关系。

In this paper, we analyze the system integration techniques of HCCADS in details, design a general user interface worktop by using typical interface component sets and present a management strategy that take different methods to manipulate the different engineering data accordingly so that data flow fluently between application system and support software.

对系统集成的相关技术进行了详细的分析，设计了由典型界面部件集及其接口函数组成的通用用户平台；并对应用系统的工程数据管理提出不同的存贮管理策略，保证了应用系统与支撑软件之间的数据畅通。

For instance, in the production of software, standard engineering method and intensive testings are used to decrease bugs.

而基于语言的程序验证方法能为软件安全提供可靠的保证。

Tracking advancing front of ocean wave simulation home and abroad,associating with concrete engineering requirements and conditions of software and hardware,an algorithm of ocean wave simulation based o...

文中提出的海浪实时仿真方法和关键技术，既可为模拟飞行训练提供一个虚拟海战场环境，又可为其它自然景物仿真提供经验和方法。

Dynamic interaction of wheel-rail is studied by using DSAS software when Blue-Arrow power car, trail car,"SS8" locomotive and passenger car with "209" bogies pass through a curve with severe rail oblique crack in Guang-Shen railway, respectively. Results of the above cases are compared and analyzed. Based on these results, effect of track structure parameter and train speed on dynamic interaction of wheel and rail in curve track is discussed, and a set of synthetic and effective technology measure which eliminates or releases rail oblique crack is put forward, The results can be expected to provide theoretic basis and guidance for engineering practice.

运用DSAS软件，研究了&蓝剑&动车组动车、拖车、&SS8&机车和209转向架客车通过广深线某钢轨斜裂纹重伤曲线的轮轨动态相互作用，并对几种车型的计算结果进行了比较和分析；在此基础上，讨论与分析了轨道结构参数及行车速度对曲线轨道的轮轨动态相互作用的影响，从而提出了一套综合有效的抑制或减轻钢轨斜裂纹的技术措施，以期为工程实际提供理论依据和指导。

And transform DAS from traditional central server architecture to peer-to-peer architecture. In addition, it provides the DAS developers software framework of the generic DAS based on peer-to-peer to develop a specific DAS. First, This thesis analyses all kinds of instances of DAS and remote monitoring systems, for example SCADA of power engineering; Secondly, Analyses various data acquisition standard, Including OPC, IVI, ODAS and DAIS RFP of OMG; Thirdly, analyses the current application State and character of Peer-to-Peer, content of UPnP and JXTA technology.

在这项研究工作中，首先分析当前不同类型的数据采集系统实例，包括电力调度SCADA系统，远程视频监控系统等一些数据采集与监控系统；第二，分析不同的数据采集标准，包括OPC，IVI，ODAS等数据采集标准，以及OMG的在工业系统中访问数据的标准界面DAIS RFP；第三，分析当前对等网络技术的应用现状和应用特点，并详细剖析UPnP和JXTA技术的技术内涵；第四，在对数据采集系统和对等网络技术的分析基础上，使用OMG的UML建模将通用数据采集系统规格化，建立基于对等网络的通用数据采集系统规格化的概念模型和基于角色的使用案例模型；第五，在通用数据采集系统规格化基础上，提出几个关键软件设计模式构造基于对等网络的数据采集系统软件框架；最后使用电力系统的应用开发实例来验证通用数据采集系统软件框架的可行性。

This project uses the large-scale colored engineering plastics pipeline, the software building block, the pulley, the single-plank bridge, the sea ball, the boxing bag, movement equipments and so on recreation bouncer, both security and stimulation and interesting, it can display and raise youth's power of thought fully and overcomes the difficult positive enterprising spirit, can play exercises body's role, is the youth hundred plays does not tire, very likes amusement facility.

该项目采用大型彩色工程塑料管道，软体积木，滑车，独木桥，海洋球，拳击袋，蹦床等运动器材，既安全又刺激和趣味性，它能充分发挥和培养少年儿童的思维能力和克服困难积极进取的精神，能起到锻炼身体的作用，是少年儿童百玩不厌，十分喜欢的游乐设施。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。