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
- 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。 - 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？ - Objective To study the effect of early applied Nd-Fe-B permanent magnet on acupoints plus ultrashort wave for peripheral nerve paralysis.
目的观察早期采用钕铁硼永磁体穴位贴敷加超短波治疗周围性面神经麻痹的治疗效果。 - 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 - 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。 - 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。 - In this paper, the equivalent circuit of typical permanent magnet actuator is analyzed, and the excitation current wave is optimized under definite redundancy and demanded minimum impulse power.
首先，通过分析典型永磁操动系统等效电路，在一定的冗余下优化励磁电流波形，使所需的脉冲功率最小； - He directed plans for a permanent barrier in the West Bank; that wall is credited by some with helping stop the wave of suicide bombings by Palestinians in Israeli cities.
在他的指导下出台了在西岸兴建永久性壁垒&隔离墙的方案。一些人认为，隔离帮助阻止了巴勒斯坦人在以色列城市发起的自杀式炸弹袭击浪潮。 - 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； - In the system of hybrid suspension with electromagnets and permanent magnets, a method of producing two complementary PWM wave with dead-time using CPLD is proposed.
研究电磁永磁混合悬浮系统中，利用CPLD产生两路互补、带死区的PWM波的方法。