Your SA node sends out the electrical signal that guides the rest of the heart tissue.

你的窦房结发出的电信号会指导心脏的其他组织。

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During atrial fibrillation, the electrical signal that causes your heart to beat becomes uncoordinated.

房颤时，心脏的电脉冲变得不协调。

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When acoustic waves cause the fibre to vibrate, it produces a corresponding electrical signal that can be detected.

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。

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An electrical signal is then sent to the prosthetic arm, telling it to move.

VOA: special.2009.03.10

The cells that take an electrical signal, which is coming down your nerve and convert it into a muscle contraction work this way, so 'neuro' nerve, muscle junctions act based on ligand-gated ion channels.

依靠相同的工作原理,细胞将来自于神经的,电信号传递到细胞收缩肌中,所以神经和肌肉关节运动,都基于配体门控离子通道

耶鲁公开课 - 生物医学工程探索课程节选

Well, the mechanism that the cell uses to transmit information along itself, along this process which goes from my brain to my fingers, for example, is through an electrical signal called an action potential.

神经细胞沿突起,将信息从我的大脑传递到,手指的机制是,举例来说,是通过一种称为动作电位的电信号的作用

耶鲁公开课 - 生物医学工程探索课程节选

When the heart is healthy, the electrical signal passes evenly from bottom to top.

BBC: Computer heart to beat disease

Pulse-code modulation is simply a way of representing the analog electrical signal, in digital form.

ENGADGET: Primed: digital audio basics Mobile

But instead of producing an electrical signal when it is tickled, the optical nose sneezes light.

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