1.
Frequency spectrum element, carrier frequency. Frequency type can be specified.
频谱元件，载波频率。可指定频率类型。
2.
The middle part of an audio frequency.
中声频，中频声波频率的中间部分
3.
A wave whose frequency is a whole-number multiple of that of another.
调波一种频率是另一种波频率整数倍的谐波
4.
radio-frequency carrier
射频载波, 高频载波
5.
vertical - rate parabolic(al)
场频[帧频]抛物波(的)
6.
FSK tone detector
移频键控音频检波器
7.
mixer-filter frequency synthesizer
混频滤波式频率合成器
8.
adjacent audio carrier
邻(频)道伴音载波
9.
adjacent video carrier
邻(频)道图象载波
10.
modulator carrier
调制器载(波)频(率)
11.
Wave speed equals frequency times wavelength.
波速等于频率乘以波长。
12.
Short wave lengths correspond with high frequencies, and long wave lengths to low frequencies.
短波波长和高频相对应，长波波长与低频相对应。
13.
Broadband: A band of light wave or sound wave with a wide range of frequencies.
阔波段:频率范围广的一段光波或声波。
14.
Research on RF Characteristics of Ka-band Millimeter-Wave Traveling-Wave Tubes;
Ka波段毫米波行波管高频结构的研究
15.
modulation frequency-carrier ratio
调制频率－载波比率
16.
chrominance subcarrier reference
色度副载波基准频率
17.
oscillator-mixer-first detector
振荡-混频第一检波器
18.
seismometer resonant frequency
地震检波器谐振频率