1.
Time-Frequency Analysis on The High Frequency Magnetotelluric Sounding Data
EH4高频大地电磁测深数据的时频分析
2.
audio-frequency amplifier
声频放大器音频放大器
3.
sound IF amplifier tube
声频信号中频放大器
4.
Intermediate frequency amplifier center frequency
中频放大器的中心频率
5.
Members often clapped their hands or shouted out loud.
教友们或是频频拍手，或是大声叫喊。
6.
Study of LD-Pumped 1064nm Dual-Frequency Nd: YAG Laser with Large Frequency-Difference;
LD泵浦1064nm大频差双频Nd：YAG激光技术研究
7.
A Comparison of High Power UPS Working-frequency Machine and High-frequency Machine
大功率UPS工频机和高频机性能对比
8.
large-size high frequency hydraulic vibration table
大型高频液压振动台
9.
Gaussian amplifier
高斯频率特性放大器
10.
high-frequency displacement detection amplifier
高频位移检测放大器
11.
shunt-compensated video amplifier
并联补偿视频放大器
12.
era video amplifier
电视摄像机视频放大器
13.
film camera video amplifier
电视摄象机视频放大器
14.
color-video amplifier
彩色视频信号放大器
15.
video amplifier with synchronous leveling
带同步电平视频放大器
16.
integrated video preamplifier
集成视频前置放大器
17.
a radio-frequency amplifier.
一种无线电频率放大器。
18.
extension of ultra high frequency coverage
扩大超高频率播送范围