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

• 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。
• 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。
• 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。
• Design and Researching of an Intelligent Controller for Vaccum Permanent Magnet Breaker Based on Recongnition of Coil Current Wave
  基于线圈电流波形识别的真空永磁断路器智能控制器的研究与设计
• 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；
• Double driving and controlling apparatus media with permanent magnet is manufactured; reasonable regulating rotating velocity of upon and down driver can improve shape of meniscus, suppress surface wave, and stir molten metal.
  设计制造采用永磁体的双磁力驱动控制器，合理调节上、下磁驱动器的旋转速度可改善弯月面形状，平抑液面波动，搅拌内部熔体的作用；
• The factors affecting permanent magnet eddy current loss calculated by using FEM method have been researched. The magnetic vector potential wave, the density wave of eddy current and the distribution of eddy current are obtained.
  研究了运用有限元计算永磁体涡流损耗的影响因素，得到了永磁体内的磁矢位波形、涡流密度波形和涡流分布。
• 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。
• 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。
• 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