The dissertation proposes control technology of rare earth permanent magnet brushless motor ( BLDCM ) in railway switch.

Emphatically reviewed four systems of permanent magnet material : Al-Ni-Co magnet, ferrite magnet, rare-magnet and glue magnet.

着重评介了铝镍钴系永磁材料 、 铁氧体永磁材料 、 稀土永磁材料和粘结永磁材料四大系列.

The sensorless control methods of permanent magnet synchronous motor are mostly on-frequency signal injection or state-observer.

永磁同步电机无位置传感器控制多基于高频信号注入法或状态观测器法.

Professionals engaged in industrial control automation, DC exchange converter technology, permanent magnet technology developed high-tech enterprises.

专业从事工业控制自动化 、 直流交流、变流技术 、 永磁技术研发的高科技企业.

This thesis proposes a sensorless drive system a permanent magnet synchronous motor.

本文旨在探讨无转轴侦测元件永磁同步电动机驱动系统.

China a permanent member of the Security Council, voted in favor of the tighter sanctions.

作为安理会常任理事国, 中国对更严格的制裁投了赞成票.

The dimensions of splined fittings are standardized for both permanent ( press ) fits and sliding fits.

在花键件的尺寸为永久 ( 新闻 ) 符合规范和滑动适合.

The tag says permanent press with a ten percent discount.

标签上说这是九折柜台.

RESULTS: SHIP positive signals were observed in the osteoclasts, odentoclasts and enamel of permanent tooth germ.

结果: SHIP在破骨细胞 、 破牙细胞和恒牙胚釉质层表达阳性.

Objective : To study the anatomic morphology of permanent tooth external layer of Korean-nationality.

目的: 研究朝鲜族恒牙外层解剖形态.

...a permanent state of tension...

长久以来的紧张局势

The accident left him permanently disabled.

事故造成他终身残疾。

The accident left him permanently scarred.

那次事故给他留下了永久的伤疤.

York Cottage was as near to a permanent home as the children knew...

在孩子们眼中,约克小屋最像一个安定的家。

...a permanent solution to the problem...

该问题一劳永逸的解决办法

All these things were permanently and consistently refused.

所有努力都是无用的.

They seem to be permanently burned into my head.

它们似乎永久性地留在我的头脑里.

All the yellow safety mark plates supplied should be permanently kept in their original places.

所提供的黄色安全警告标识牌必须永久保持在其相应的地方.

Thus the Warren Street arrangement was permanently concluded.

沃伦街的生意就这样永远做完了.

...a permanent job.

固定工作

Many managers live permanently in their hotels.

许多旅馆经理常年住在自己经营的旅馆内.