1.
Age-related variation of the speed of ultrasound at tibia in women from Changsha area
长沙地区女性胫骨超声速率随年龄的变化
2.
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。
3.
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
4.
（b）The frequency,wave length,and speed of sound are closely related.
声音的频率，波长和速度三者是密切相关的。
5.
Sounds are produced by objects that vibrate at a rate that the ear can detect.
物体以人耳能感觉的速率振动而产生声音。
6.
Investigation of Estimating Rate of Left Ventricular Pressure Rise By Doppler Echocardiography
多普勒超声测定左室压力上升速率的探讨
7.
Upgrading of Hydrolysis Rate of Waste Activated Sludge by Ultrasonic Pretreatment;
超声破解促进污泥厌氧水解酸化速率的研究
8.
The Theoretical And Numerical Analysis for the Surface Acoustic Wave Angular Rate Sensor
声表面波角速率传感器的理论与数值分析
9.
Mixed-Excited Segment Vocoder at Very Low Bit Rate
一种采用混合激励的超低速率分段声码器
10.
Effect of exciting frequency of casing treatment on transonic compressor performances
处理机匣激励频率对跨声速压气机性能的影响
11.
Effect of ultrasonic pretreatment on sludge drying rate
超声波预处理对污泥干燥速率影响研究
12.
High resolution fast digital photoacoustic CT for breast cancer diagnosis
高分辨率快速数字化光声CT乳腺肿瘤成像
13.
Study of the Very Low Bit Rate Speech Encoding Algorithm Base On Lpc-10
基于LPC—10声码器的极低速率语音编码算法研究
14.
Study of Acoustic Emission Signal Characteristic of Water-Containing Coal and Rock Under Different Stress Rates
不同应力速率下含水煤岩声发射信号特性
15.
Implementation of a Low Bit Vocoder Based on the Improved MELP Algorithm
基于MELP改进算法的低速率声码器设计与实现
16.
The Effect of Water Content on the Damage Concrete Ultrasonic Detection
含水率对受损混凝土超声波波速的影响
17.
Acoustics--Determination of sound power levels of noise sources using vibration velocity--Measurement for seal machinery
GB/T16539-1996声学振速法测定噪声功率级用于封闭机器的测量
18.
Like light waves, acoustic (sound) waves are characterized by a frequency, wavelength and propagation speed.
声波就和光波一样，是以频率、波长和传播速度为其特徵。