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

• a series of waves in the hair made by applying heat and chemicals
  Synonym:permanentperm

双语例句

• Permanent magnet synchronous motor ( PMSM) in the system is driven with sine wave;
  系统的永磁同步伺服电机采用正弦波驱动；
• 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。
• 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。
• 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。
• 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。
• This paper deals with an AC servo system with permanent magnetic brushless motor driven by square wave current.
  研究了方波电流驱动的永磁无刷电机交流伺服系统。
• 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；
• Do you want a permanent wave or a cold wave?
  你想电烫还是冷烫？
• 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？