非线性静电离子声波 nonlinear acoustic waves
电子零件超声波清洗机 Electronic Components Ultrasonic Cleaning Machine
电子和超声波仪器 Electronic and Ultrasonic Instrumentation
这种矛盾的根源是电子抗噪,它会产生声波来抵消不想要的噪音,如响尾音、刺耳的鸣响等。
The source of this paradox is electronic anti-noise which creates sound waves to cancel out unwanted noise, such as rattles, blare, etc.
当纤维在声波的作用下发出振动时,它会产生一种能够被探测到的电子信号。
When acoustic waves cause the fibre to vibrate, it produces a corresponding electrical signal that can be detected.
超声波扫描仪由一个控制台(包含一台计算机和电子设备)、视频显示屏幕、一个传感器(用来扫描身体和血管)所组成。
Ultrasound scanners consist of a console containing a computer and electronics, a video display screen and a transducer that is used to scan the body and blood vessels.
We're used to thinking about sound being tranduced; being converted by acoustic waves into electrical signals that can be recognized by your iPods.
我们想想声音信号的转换过程,声音由声波转化为电子信号,你的iPod能够识别这种信号
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