It sends it's signal, it's signal - the signal that it sends is this change in voltage, and once it changes, maybe it's all done.

它发出信号,它通过电压的改变发出信号,然而一旦电压改变,细胞的使命到此就终结了

耶鲁公开课 - 生物医学工程探索课程节选

Each one of those electrodes allows us to measure, we plot voltage verses time, ? this signal coming from the tip of that electrode. Ok?

我们通过每个这样的电极都可以设计一种测量方法，我们设计电压比时间，这一信号源于电极的一端，对吧？

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

The hard drive circuits translate those signals into to voltage fluctuations.

硬盘电路板把这些信号,转化为电压波动。

哈佛公开课 - 计算机科学课程节选