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Induction motors based on variable frequency speed adjustment system arewidely applied in industrial fields and daily life.

感应电机变频调速系统在工业领域和日常生活中得到了广泛了应用。

Common induction motor variable frequency system is extensively applied, but common induction motors are designed by constant frequency and constant voltage, when the frequency change that induction motor works, the parameter and performance of common induction motor will change.

摘要普通交流异步电动机变频调速系统被广泛应用，但是，普通交流异步电动机都是按恒频、恒压设计的，在频率改变时，电动机的参数和性能都将发生改变。

In this paper, the detection of the rotor faults in induction motors is studied.

本文对异步电动机转子故障的检测方法作了初步研究。

Motors on the milling machines are totally enclosed to guard against ingress of metallic dust.

铣床上的电动机都是全封闭的，以防止金属粉尘进入。

In this paper, working conditions and failure mechanisms of insulating materials in inverter-fed motors were analysed.

分析了变频电机绝缘材料的工作环境和破坏机理，概述了耐电晕绝缘材料的研究及其在变频电机中的应用现状，讨论了我国在该领域存在的问题，提出了今后耐电晕绝缘材料的研究重点。

Effect of the distance between motors and the center of gravity of the interceptor had been also discussed.

最后分析了姿控发动机到拦截器质心的距离对控制效果的影响。

This will surely lead to greater survivability while affording a higher 2.6:1 (vs. the old 2.4:1) internal ratio better suited to today's high-power, high-RPM motors.

这必将导致更大的生存能力，而给予较高的2.6：1 （与旧2.4：1 ）内部的比例，更适合今天的高功率，高转速电机。

A deal may very soon be in place for Magna International to buy the European Unit of General Motors .

玛格纳电气公司收购通用公司的欧洲股份的交易将很快展开。

A deal may very soon be in place for Magna International to buy the European Unit of General Motors.

加拿大玛格纳电气公司已准备就绪，很快就会收购通用下属的欧盟分公司的股票。

Including Shanghai Volkswagen, General Motors Corporation, Shanghai Zhengda commercial Square, Harbour Gardens Limited, Japan Dongyang precision manufacturing Ltd, Japan Metals Limited, the United States APW Communications Company, the Shanghai Baoshan Iron and Steel Rail operations center Limited, Shanghai Railway Bureau printing, Shanghai Rose, Bolinge Yin Georgia han profession, Shanghai Siemens Ltd, Shanghai Beiling, Shanghai Hongli Semiconductor Limited, Songjiang fixed electricity, Zhangjiang sets of Hong Kong and so on.

其中有上海大众、通用汽车有限公司，上海正大商业广场、汤臣海景花园、日本东阳精密制造有限公司、日本有色金属有限公司、美国APW通讯公司、上海宝钢彩印铁中心有限公司、上海铁路局印刷厂、上海罗氏、勃林格殷格翰药业、上海西门子有限公司、上海贝岭、上海宏力半导体有限公司、松江台基电、张江集电港等等。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。