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1.
Research of Acoustic Temperature Field Measurement System and Acoustic Travel-time Measurement Method
声学法测温系统及声传播时间测量方法研究
2.
Numerical simulation study on inversion of two dimensional flow field using acoustic ray travel time
基于声传播时间的二维流场反演数值仿真研究
3.
a delay line based on the time of propagation of sound waves.
基于传播声波的时间的延滞线路。
4.
Research on Measurement of Ultrasonic Transit Time Based on Sing-around Method;
基于回振法的超声波传播时间测量方法研究
5.
Review of the Signal Processing Techniques in Transit-Time Ultrasonic Flowmeters
传播时间法超声流量计信号处理技术进展述评
6.
Play chirp the time of played chirp in ms.
播放声音播放的短促声波的时间,以毫秒表示。
7.
The elastic modulus of a special alloy material are measured by the ultrasonic pulse-echo method, when the temperature is changed from -20℃~60℃.
为实现超声声速的快速、精确测量应用数字相关法精确确定超声信号的传播时间。
8.
If we have used our eyes and ears, we have already realised that sound takes time to travel through the air.
如果我们用过眼睛和耳朵,我们就知道声音在空气中传播是需要时间的。
9.
a delay line based on the time of propagation of electromagnetic waves.
基于传播电磁波时间的延滞电路。
10.
Propagation Characteristics of Time-Reversed Electromagnetic Wave and Its Application
时间反演电磁波的传播特性及其应用
11.
He explained that gravity was not an instantaneous force as Newton assumed, but that it took time to travel.
他解释,重力不像牛顿说的那样是瞬时传播的,它的传播需要时间。
12.
It was put forward that in recent market transmitting environment, the research and practice of symbol transmitting is in urgent need.
提出在传播环境中,关于符号传播研究和时间的迫切性。
13.
Finite Element Modeling of Acousto-Ultrasonic Lamb Wave Propagation Mode in Thin Plate
薄板声-超声检测时兰姆波传播模式的有限元模拟
14.
The method of propaga-tion time and the method of tide lag can be used for forecasting the occurrence-time of tide bore.
涌潮潮时预报方法有传播时间法和隔日滞后时间法。
15.
distributes sound waves evenly.
能均匀传播声波的介质。
16.
a sound wave that is transmitted via air.
通过空气传播的声波。
17.
the transmission of heat or electricity or sound.
热、电或声音的传播。
18.
sound transmission in ocean
声波在海洋中的传播