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The domestic development situation of high speed and ultrahigh speed grinding in recent years was analyzed. 高速超高速磨削是提高磨削效率、降低工件表面粗糙度和提高零件加工质量的先进加工技术。
Emphasis is laid on the importance of the core of ultrahigh speed wheels, design requirement and material selection. 重点强调超高速磨削砂轮基体的重要性和设计要求以及材料的选择。
High speed grinding and ultrahigh speed grinding is an advanced processing technique whic... 阐述了高速超高速磨削目前的发展趋势。
In view of the problem of ultrahigh speed tobacco packing machinery, a new cigarettes pushing equipment is researched in this paper. 摘要针对超高速烟草包装机开发中遇到的实际问题，设计了一种新型改变烟组推送方向的装置。
The development and present situation of high speed and ultrahigh speed grinding of foreign countries such as German, America and Japan were summed up. 介绍了高速超高速磨削的机理,简单总结了高速超高速磨削的优越性和特点。
Keyword： high speed railway; vertical curve section; contact wire; sag; setting. 关键词：高速铁路；竖曲线地段；接触线；弛度；设置
Finally, the position of the ultrahigh speed wheels in ultrahigh speed grinding and our research direction in future are pointed out. 最后，指出超高速磨削砂轮在超高速磨削中的地位，并指出努力方向。
Operation cost account is a critical aspect of high speed railway construction and its economy benefit evaluation. 摘要运营成本计算是高速铁路建设和经济效益评价的关键问题之一。
With the scale of the speed railway construction, railway section of the stock market more and more sought after. 随着铁路建设规模的提速，铁路板块的股票越来越受到市场的追捧。
Method: use the cyaniding high speed railway method to order the inside to 5 inquisitio ns is young to proceed the hemoglobin the measurement. 方法:用氰化高铁法对5个调查点中的2402名儿童少年进行血红蛋白测定。
The construction of high speed railway marks a new era for CR's forward-leaping development in terms of technology, manufacturing, operation and management. 要坚持引进消化吸收再创新，通过实施这一项目，攻克和掌握高速铁路建设的关键设备和核心技术。
Based on the characteristics of ultrahigh speed grinding, the general selection principle of abrasives, binders, hardness, concentration and structure of ultrahigh speed CBN wheels is discussed. 摘要结合超高速磨削的特点，论述超高速CBN砂轮中磨料、结合剂、硬度、浓度、组织的一般选用原则。
The construction site of Zuoying station of Taiwan High Speed Railway, Kaohsiung, April 2004.It is the second large staion along Taiwan South-North High Speed Railway. 图片说明： 2004年4月，高雄市高铁左营站工程进度赶工中，完工之后，将成为台湾南北高速铁路沿线第二大车站。
Kaohsiung Main Station is the only station co-constructed with Taiwan Railway and Taiwan High Speed Railway, whereas Zuoying Station is co-shared but not co-constructed with them. 与台铁、高铁三铁共构之捷运车站为高雄车站；而左营站则与台铁、高铁共站但不共构。
This bridge type is adopted in this document for the overcrossing point of Peking super major bridge over South NO. 3 Loop Road in Jing-Hu High Speed Railway. 3、通过桥面构造研究和有限元计算分析，对正交异性板桥面和纵横梁体系桥面进行了对比分析；
ultrahigh speed integrated circuit 超高速集成电路
The article expounds the reason why the Guangzhou - Shenzhen quasi-high speed railway should adopt tractive mode of central power EMU and discusses the ideas of selecting the main parameter of EMU. 阐述了广深准高速铁路应该采用动力集中式电动车组牵引方式的理由及对选择电动车组主要参数的看法。
ultrahigh speed photographic instrument 超高速照相器械
The design of the streamlined cab of the railway car running in line NO. 3 of Dalian high speed railway traffic is presented,and the steel structure and interior decoration of the cab are presented emphatically. 简述了大连市快速轨道交通3号线车辆流线型司机室的设计,重点介绍了司机室钢结构和内部装饰。
After the analysis of the operation cost characteristics and composing in high speed railway, the methods and means of activity-based costing of operation cost account were put forward. 本文通过对高速铁路条件下运营成本的特点、构成状况的分析，采用作业成本法核算高速铁路的运营成本的原理、方法。