The design and application of a therapeutic apparatus using modulated random intermediate frequency current;
调制随机中频电流治疗机的设计与应用
Obervation of therapeatic effect of cervical spondylopathy treated by Chin ese herbs ion-introdultion of mid-frequeacy alternating current
中频交流电中药透入治疗颈椎病疗效观察
low frequency AC coded track circuit
低频交流电码轨道电路
AC-electronic motor
离子(变频)式交流电动机
radio-frequency alternator
射频发电机;射频交流发电机;高频同步发电机
Research on Application of Genetic Algorithm in the Control of AC Motor
遗传算法在变频交流电机控制中的应用研究
Video Detection Key Technology Research of Traffic Flow Information in Urban Traffic Electrical Mechanical Systems;
城市交通机电系统中交通流信息视频采集关键技术研究
Reliability Analysis on Design Proposal The Prototype Machine of AC Motor Intermediate Frequency Electric Generating Unit
交流电动中频发电机组样机方案设计可靠性分析
Power Frequency and Switching Overvoltages of 750 kV AC Transmission Line
750kV交流输电线路的工频及操作过电压
Inverter Type Electric Power Test Stand Based on PLC Control and DEVICENET Network
测试变频电机用的交流变频电力测功机系统
3 In the sinusoidal alternating circuit that only contains an inductor, the voltage across the inductor leads the current through it by 90°, and they have the same frequency.
在只含有电感的正弦交流电路中，电压超前电流90°，且它们具有相同的频率。
Making an Investigation in the Technological Method of the Medium-frequency Induction Braze Welding of the Rotor Copper Bar and Endˉring for the AC and DC Motor
交直流电机转子铜条与端环中频感应钎焊工艺方法的研究
The Application Research on Virtual Instrumentation Technology in AC VF Asynchronous Electric Dynamometer;
虚拟仪器技术在交流变频异步电力测功机中的应用研究
A Study on the Preparation of Tantalum Oxide Films by Mid-Frequency AC Reactive Sputtering and Their Dielectric Properties;
中频交流反应溅射氧化钽薄膜制备及介电性能研究
High-frequency AC Pulse Density Modulation Theory and Its Application in Electric Vehicle;
高频交流脉冲密度调制理论及其在电动汽车中的应用
Application of 83C251SB one-chip computer to AC motor variable frequency and speed conversion controller;
83C251SB单片机在交流异步电机变频调速控制器中的应用
Application of AC frequency speed system controlled by PLC in rank and pinion ship elevator
PLC控制交流变频调速控制系统在船用电梯中的应用
The Phase-Locked Synchronization Control System of AC Motor Variable Frequency/Work Frequency Switching;
交流电机变频/工频运行切换锁相同步控制系统
A Study on the Frequency Spectrum of the 25Hz AC Counting Code Signal
25周交流计数电码信号的频谱分析