查询词典 speed of development

Aiming at the diversification of function system and homing modes in the development of submarine-launched torpedo, this paper analyses the advantages in operational application of wake homing torpedo based on its mechanism, such as stronger counter-countermeasure, higher speed, and higher target acquisition probability for selected target. It also analyses the limitations in tactics, such as limited attacking speed and the types of attackable targets, greater loss in torpedo range, difficult combination with wire-guidance, and inaccurate attack on moving targets.

针对国内外潜射鱼雷在功能体制和制导方式等技术环节多元化发展的局面，基于尾流自导鱼雷制导原理，分析了尾流自导鱼雷在作战使用上的技术优势：抗干扰能力强，适宜高速制，可选择攻击目标和捕获概率高；以及其战术局限性：可攻目标的类型及速度受限，鱼雷航程损失大，与线导结合困难，对机动目标攻击效果较差。

Bougie card is in the rapid development of position of developing of IC design, production industry as IC design, manufacturing industry, the new-style chip such as high speed, high density, SOC, ASIC appears ceaselessly, the requirement that price of high speed, high to checking equipment to put forward density, versatility, tall sex compares.

跟着IC设计、制造业的迅速成长，高速、高密度、SOC、ASIC等新型芯片不竭呈现，对测试行动措施提出了高速、高密度、通用性、高性价比的要求。

First, the paper reviews the development and research of AC transfer speed system, introduces the different control strategy of transfer speed system for asynchronous motor, and discusses the basic principle of vector control system for asynchronous motor in detail,including the mathematics model and coordinate transformation of asynchronous motor, the fundamental equation of vector control, the estimation method of rotor flux, the system structure of vector control etc. Then, the paper lays stress on the fundamental principle, control algorithm and realization method in TMS320LF2407 of space vector pulse width modulation technology.

本文首先简述了交流调速系统的发展和研究重点，介绍了异步电机调速系统的不同控制策略，详细论述了异步电机矢量控制系统的基本原理：异步电机的数学模型和坐标变换、矢量控制的基本方程式、转子磁链的观测方法、矢量控制的系统结构等，并重点分析了空间矢量脉宽调制技术的基本原理、控制算法以及在TMS320LF2407中的实现方法。

For example, machining centers and flexible manufacturing technology, break through the many varieties of case processing technology difficulties; spiral bevel gear machining technology to solve high-speed sewing machine driving accuracy and functioning of the key issues of noise; holes line grinding processing technology to meet the needs a key-hole parts precision and roughness of the basic requirements; sphere processing technology, adapted to the high-speed packet transmission machine components both inside and outside the spherical exercise the continuous improvement of machining accuracy; precision casting process technology and advanced heat treatment technology for the development of industrial machine effective support.

例如，加工中心及柔性制造技术，通过对案件的处理技术困难，许多品种突破；螺旋锥齿轮加工技术来解决高速缝纫机发球准确率和噪音的关键问题发挥作用；孔磨削加工技术路线的满足需求的关键孔零件的精度和粗糙度的基本要求；领域的加工技术，适应高速数据包传输内外球面行使加工精度的不断提高机械零件，精密铸造工艺技术和先进的热为工业机器处理技术发展的有效支持。

The thesis contains five chapters. The first chapter summarizes the development and research of switched reluctance drive, discusses the main research direction, and explains the main work in this paper. In chapter 2, hardware system which includes the design of power converter and various control circuit is discussed. TMS320LF2407 DSP is used to design the hardware circuits of SRM control system, and design details including the current detection, position sensing, fault protection, speed detecting, keyboard and display etc. are provided. Because of the full use of the abundant peripheral resources of DSP, it comes to the aim simplifying the circuit structure and heightening the reliability. In chapter 3, the application of neural network on SRM control system is introduced, a new the application of neural network and the method of sampling is proposed and a simulation system based on Matlab/Simulink is established. Chapter 4 discusses the routine designing issue. Because the modularized programming method is adopted, and multi-interrupt processing technique is used, operation efficiency of the control software is highly raised. At last, the foregoing SRM control system is tested. Speed adjustment is realized, and other targets on the research and design of SRM control system are reached, which establishes a good foundation for further research.

本文共分五章，第一章概述了开关磁阻电机调速系统(Switched Reluctance Drive，简称SRD)及其发展和研究现状，论述了其主要研究方向，并说明了本文的主要工作；接下来的一章主要讨论了SRM的硬件系统，主要包括功率变换器的设计和各种控制电路的设计，本文以TMS320LF2407为核心设计了开关磁阻电机控制系统硬件电路，给出了包括电流检测、位置检测、故障保护、测速电路及键盘和显示电路等部分电路的详细设计，充分利用了DSP的丰富外设资源，达到了简化电路结构、提高运行可靠性的目的；第三章介绍了人工神经网络在开关磁阻电机控制系统中的应用，提出了一种新的应用方式(利用GPFN神经网络调节PI参数)以及如何采取样本，搭建了基于Matlab/Simulink的仿真系统；在第四章中，讨论了开关磁阻电机控制软件的设计，采用模块化编程方法，采用基于多中断的控制程序，提高了控制软件的效率；最后，对所设计的开关磁阻电机控制系统进行了实验，实现了电机调速，达到了开关磁阻电机控制系统研究和设计的预期目标，为更近一步研究打下了基础。

With the development of machine and cutter for high-speed milling, the application of high-speed milling steps up to the stage of manufacturing history. And for its obvious advantage it is important step by step.

随着高速加工机床和刀具技术的不断发展，高速加工的应用登上了制造业的历史舞台，显著的优点使得其地位越来越举足轻重。

With the rapid development of electricity, spaceflight, petrochemistry and mechanical manufacture, kinds of rotary machines develop towards the direction of high speed and efficiency. So the rotary speed and stability of rotor-bearing are required more highly.

随着电力、航空航天、石油化工及机械制造业的飞速发展，各种旋转机械向高速、大功率方向发展，因此对转子—轴承系统的动力学特性提出了更高的要求。

Has been dedicated to textile machinery and green slurry of research and development, have experienced the arduous process of innovation, are produced by warping machine products: high-speed warping machine in batches, sub-section warper; barrels of high temperature and high pressure slurry transfer , two-speed transfer slurry barrels; high-power package by the shaft, beam, respectively, Textile Machinery Equipment matching at home and abroad.

多年来一直致力于纺织机械和绿色浆料的开发研究，经历了求实创新的艰苦历程，现生产的整经机系列产品：高速分批整经机、分条整经机；高温高压调浆桶、双速调浆桶；高强大卷装经轴、织轴分别与国内外纺机设备配套。

Meanwhile, it oints out the negative effects of alienation of science and technology and advocates establishing healthy science and technology development concept in the process of building of a harmonious society. Secondly, it introduces and uses technology foresight to build the scientific and technological innovation system , promote the coordinating development and effective operation between sub-systems , improve the operating efficiency of scientific and technological innovation system ,and support and protect the role of science and technology in building a harmonious society. Finally, taking food safety field in Qingdao as an example and making use of technology foresight to probe into the operation of scientific and technological innovation system in food safety, come up with strategies and measures of how to achieve the objectives of the scientific and technological development in food safety, speed up the building of a harmonious society.

文章首先对社会主义和谐社会生成逻辑、基本内涵的理论进行了梳理和总结，提出了科学技术对构建社会主义和谐社会的重要作用，分析了科学技术对和谐社会建设的经济、生态、人文价值，同时也指出了科技异化带来的负面影响，倡导在和谐社会的建设过程中树立健康的科技发展理念；其次，引入并借助技术预见这一战略管理工具，构建基于技术预见的和谐社会科技创新体系，促进各子系统协调发展、有效运行，提高科技创新体系的运行效率，支撑和保障科学技术对和谐社会建设的作用；最后，以青岛市食品安全为例，在食品安全领域中利用技术预见战略管理工具的作用，探讨了食品安全科技创新体系的运行，提出了实现食品安全科技发展目标的策略与措施，为和谐社会的建设提供了支撑和保障。

The development tendency of the railway construction in the world today is serving high speed trains and csirrying heavy load. With the development arise some problems of the wheel/rail performance, the requirement of the train traction for the adhesion of wheel/rail will become more and more strict, and rail corrugation of wheel/rail, rolling contact fatigue and derailment will become more and more serious. The solution to the problems will have direct effects on the railway development.

当前世界铁路正朝着高速和重载的方向发展，随之而来的是列车牵引对轮轨粘着的要求越来越高，而轮轨的波浪形磨耗、滚动接触疲劳、脱轨等轮轨关系问题越来越严重，其解决与否直接影响到铁路的快速发展。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。