1.
Correlation Analysis of Nose Leaf Width and Echolocation Domain Frequency in Rhinolophus Bats;
菊头蝠科蝙蝠鼻叶宽与回声定位声波主频率的相关分析
2.
The middle part of an audio frequency.
中声频，中频声波频率的中间部分
3.
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。
4.
The distinctive quality of a sound, dependent primarily on the frequency of the sound waves produced by its source.
音质声音的特性，主要依据从音源发出的声波的频率
5.
Visco-acoustic transmission waveform inversion for velocity structure in space-frequency domain
频率域粘弹性声波透射波形速度反演
6.
Chirp up the chirp is played from start frequency to the end frequency.
短促声波开始短促声波从起动频率对结束频率播放。
7.
The frequency, wave length, and speed of sound are closely related.
频率，波长和声速三者是密切相关的。
8.
Frequency noise of the ionization wave in He-Cd lasers
氦-镉激光器电离波频率噪声的研究
9.
Ultrasonic frequency adjustable driver's circuit design
一种频率可调超声波驱动电路的设计
10.
The video signal is directed to the CRT through a sound trap which eliminates the sound-carrier frequency.
视频信号通过声音陷波电路，消除声音载波频率，直达CRT。
11.
Hot firings show that the frequency of the oscillating shock is close to the acoustic frequency.
热试结果表明，振荡激波的频率与声频相近。
12.
An X band Low Phase Noise Wideband Frequency Synthesizer
X波段宽带低相位噪声混频锁相频率源
13.
The application of frequency division technique in parameter measurement for SAW sensor
分频技术在声表面波传感器频率测量中的应用
14.
Design of a Microwave Frequency-Hopping Synthesizer Based on Phase Noise Analysis
基于相位噪声分析的微波跳频频率合成器设计
15.
We know light waves are different in frequency just as sound waves are.
我们知道光波像声波一样在频率方面是不同的。
16.
Suppose the speakers both emit a pure sinusoidal sound wave of constant frequency.
假定两个扬声器都发射恒定频率的纯正弦声波。
17.
Research and Realization of an Ultrasonic Cleaner with Constant Power and Frequency Tracing;
频率跟踪、恒功率超声波清洗机的研究与实现
18.
Waveform Fusion and Background Normalization for Low Frequency Active Sonar;
低频主动声纳波形融合与背景归一化