permanent wave
英 [ˌpɜːmənənt ˈweɪv]
美 [ˌpɜːrmənənt ˈweɪv]
n. 同 perm; 卷发; 烫发
柯林斯词典
- 同perm
Apermanent waveis the same as aperm.
英英释义
noun
双语例句
- What would you like permanent, cold wave, or washed and dressed? She is permanently waved both as to hair and figure.
你要电烫，还是洗一洗做一做头发？她的头发与身材好象都是（电烫的）永久曲线。 - The rare earth permanent magnet brushless DC square wave motor is a new type of motor. With its high performance, the motor shows a broad prospect for further advances.
稀土永磁无刷直流方波电机是一种新型电动机，其性能优越，发展前景广阔。 - An analytical solution shows that the Rare Earth Permanent Magnetic Brushless DC Motor which is studying in my laboratory can get a approximately square wave air-gap magnetic field density with well designed motor structure and well selected material.
分析结果表明：正在研发的稀土永磁无刷直流电动机可得到近似方波的气隙磁感应强度，从而有效减少力矩脉动，提高电动机出力，电动机结构设计和材料选用合理； - The direction of magnetic field, the coil geometry and the frequency of the electromagnetic field determine the wave type of transducer. Then we select the permanent magnet and the track coil to stimulate the shear wave.
因横波可作测厚的波型，根据外加磁场的方向、线圈的几何形状以及电磁场的频率能决定换能器产生的波型，选定了由永磁铁和跑道形线圈合理组合来激发所需的横波。 - A permanent magnetic ( PM) linear wave power generator was developed to generate electricity directly from wave power.
为了直接把海洋的波浪能转换为电能，提出了一种永磁直线波力发电机。 - A simple and high-performance brushless DC generator consisting of a controlled rectifying circuit and permanent magnet square wave motor is presented.
提出了一种可控整流电路，它与永磁方波电机联合构成一种简单、高性能的无刷直流发电机。 - This system takes the permanent magnetic motor of square wave current regulated ( The Brushless DC Motor) as control object and realizes speed& current double closed loop control.
该控制系统以方波电流控制型永磁交流伺服电动机（多称为直流无刷电动机）为控制对象，采用转速、电流双闭环控制。 - Experimental Research on Speed Regulation System of Rare-Earth Permanent Magnet Square Wave Brushless DC Motor
稀土永磁方波无刷直流电动机调速系统的实验研究 - Hairdresser: Yeah. A lot of my customers love it. ( after shampooing) Do you want a permanent wave or a cold wav-e?
美发师：是的，我的很多顾客都喜欢。（洗完后）您要电烫还是冷烫？ - However, surface permanent magnet synchronous motor flux density waveform can be approximately simplified as a flat-topped wave rather than the sine wave which is different from the induction motor flux density waveform.
但是，与感应电动机的气隙磁密波形不同，表贴式永磁同步电动机的气隙磁密波形可近似简化为矩形平顶波而非正弦波。