麦克风将声波转化成电信号进行传播。
The microphone converts acoustic waves to electrical signals for transmission.
光子怎样被转化成电信号？视网膜如何提取物体的形状、颜色和运动特征？大脑又是如何对视觉信息进行处理的？
How is photon converted to electric signals? How does the retina extract information about form, color and motion? How does the brain process visual information?
光照射到这个感应芯片上面然后从硅原子中激发释放出电子，这样就产生了一个电信号然后通过芯片的电子器件转化成图像。
Light striking this detector liberates electrons from some of the silicon atoms, producing an electrical signal that is converted by the chip's electronics into a picture.
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