动车

AC-DC-AC drive technique ; locomotive ; motor coach ; asynchronous traction motor ; radial bogie.

交－直－交传动技术；机车；动车；异步牵引电动机；径向转向架

Both motor car and each trailer of HST were modeled as a multi-rigid-body system with two suspensions, and LVT was modeled as an assembly of track segment elements with 24 degrees of freedom. The vertical vibration matrix equation of the system was established on the basis of the principle of the total potential energy with stationary value in elastic system dynamics and the rule of "set-in-right-position" for formulating system matrixes, and then Wilson-θ numerical integration method was used to solve the problem. The dynamic responses of the system were calculated when the train runs at the speed of 200 km/h. And the effects of vertical stiffness of rail fastener and block pad on vertical vibration responses of the system were investigated.

其原理是：将高速列车的动车和拖车模拟为具有二系悬挂的多刚体系统；将弹性支承块式无碴轨道模拟为具有24个自由度的轨段单元的集合；基于弹性系统动力学总势能不变值原理及形成系统矩阵的"对号入座"法则，建立此系统竖向振动矩阵方程，并采用Wilson-θ数值积分法求解，计算速度为200 km/h时此系统竖向动力响应，研究轨道刚度对此系统竖向振动响应的影响规律。

This article presents the study of the methods and the principle of detecting the flaws in wheel tyres without car moving by using the ultrasonic transverse wave .

研究了在不动车情况下，采用超声横波对轮箍进行探伤的方法和原理，介绍了轮箍缺陷的反射规律和实际探伤的应用情况，探讨了缺陷检测和定位特点。

Taking the design subway coach as an exam- ple, the article points out that it's an ideal schema to use current source inverter with re- verse conducting for common inverter to be minified.

本文首先以地铁动车设计为例，指出采用逆导晶闸管电流源逆变器是普通逆变器实现小型化的一个较好的方案。

Objective To find out the organic pollutants in the haust condensate of domestic motorcycles combusting petroleum in Shanghai.

目的 了解上海目前使用最普遍的国产燃油助动车尾气冷凝物中有机污染物的化学组成。

He thinks diesels are about to take off as smartly as hybrids did.

并且他相信，柴油机车就像混动车一样前景光明。

Among all the driver's seats on locomotives, rail cars and subways, TZY1 from our company can be the No.1 in quality, performance, life span and variety in China and our occupancy of the delivery of goods in main engine plants can also be the No.1 in China. The function can be equal to or even superior to the imported products.

在机车、动车、地铁、城轨司机座椅中，我公司&TZY1型&在质量、性能、寿命和品种上均能做到国内第一，主机厂供货占有率也为国内第一，并能达到和部分功能优于进口产品水平。

The contacting unit for the project, Zhejiang Sanxin Vehicle Company, Ltd is a hi-tech enterprise specialized in manufacturing gasoline-powered mopeds. It is also a comprehensive enterprise which integrates designing, manufacturing, marketing and service.

项目联系单位浙江三鑫车业有限公司是专门从事汽油机助动车生产的高科技企业，是一家集设计、生产、销售与服务于一体的综合性企业。

For example, the price of electrically powered scooters is likely to increase with market size.

例如，电动助动车的价格可能随市场规模而上涨。

Call my parents to say hello and they told me how to boil rice glue ball what I certainly know.

我就曾坐助动车和汽车一起驶上高架，绝对不比汽车地位低。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了