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 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 - 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。 - 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。 - 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。 - 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； - 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 - 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； - 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。