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
- 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。 - 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。 - The Optimum Logic Resolving Structure Research of Permanent Magnet Brushless DC Motor With Square Wave Current
永磁方波无刷直流机最佳逻辑解析结构的研究 - 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； - 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。 - Do you want a permanent wave or a cold wave?
你想电烫还是冷烫？ - 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； - 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？ - 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。