1.
any correlation in which the rates of change of the variables is not constant.
变换率不是常数的变数的相关关系。
2.
permeability-frequency convertor
导磁率－频率变换器
3.
commutator frequency changer
换向器变频机整流子频率变换器
4.
automatic data rate changer
自动数据速率变换器
5.
frequency-DC voltage converter
频率-直流电压变换器
6.
impedance change frequency test
电阻抗变换频率试验
7.
Currency exchange rates are always subject to variation.
货币兑换率是经常变的.
8.
All-Optical Wavelength Conversion and All-Optical Frequency Up-Conversion;
全光波长变换和频率上变换技术的研究
9.
Rectifier Control Strategy of Single-PWM Converter Without DC Capacitor
无直流电容单PWM型功率变换器整流桥换流控制
10.
High power and high efficiency soft-switching boost DC-DC converter with a passive resonance
大功率高效率无源谐振软开关Boost DC-DC变换器
11.
Design of Power Converter of High-voltage and High-power for Switched Reluctance Motor
高压大功率开关磁阻电机功率变换器设计
12.
He varied the transmission frequency.
他变换了无线电传送的频率。
13.
Low Bit Rate Image Coding Based on Wavelet Transform
基于小波变换的低码率图像编码研究
14.
Real-time bit rate transform system of digital TV transmission stream
数字电视传输流的实时码率变换系统
15.
Study on the Properties of the Harmonic Generation and the Propagation of High Power Laser in the Final Optical System;
靶场强激光频率变换及传输特性研究
16.
Research on Distributed Control and Structure of the Power Converters;
功率变换器的分布式控制和结构研究
17.
Research on the Fundamental Techniques of Medium-High Voltage Converter;
中高压功率变换相关技术的基础研究
18.
Study on Some Elements of the SPIC in High-voltage Power Converter;
高压功率变换用SPIC中部分单元的研究