1.
The cathode bypass should be "effective" well below the "mains" frequency", which is usually the case anyway.
阴极旁路电容的截至频率应该远低于市电频率，这点应该在任何情况下都需要注意的。
2.
Study of Core Competence;
地市级广播电台新闻频率核心竞争力研究
3.
Research on the Theory and Practice of Ancillary Service Market and Grid Frequency Control under Power Market;
电力市场环境下辅助服务市场和电网频率控制的理论与实证研究
4.
electronic power frequency control system
电子电源频率调节装置
5.
distress frequency
无线电频率遇险呼救频率
6.
Frequency Response to Super-weight Low-pitcked Circuit in Frequency Supplement;
频率补偿式超重低音电路的频率响应
7.
radio frequency emission testing
无线电频率放射测试
8.
constant frequency control
恒定频率控制 -供电系统
9.
the entire frequency range of electromagnetic waves.
电磁波的全部频率范围。
10.
international distress radio frequency
国际呼救无线电频率
11.
radar AFC circuit
雷达自动频率控制电路
12.
frequency-DC voltage converter
频率-直流电压变换器
13.
impedance change frequency test
电阻抗变换频率试验
14.
electrical resonance frequency of the moving element
运动部件电谐振频率
15.
VoltsHertz regulators and protection.
电压／频率调节器及保护。
16.
Frequency response of telephone set
GB/T6362-1986电话机频率响应
17.
horizontal AFC circuit
行自动频率微调电路
18.
frequency tolerance of radio transmitter
无线电发射机频率容限