PEMFC is an electrical device which directly converts chemical energy of fuel and oxidant to electricity.

聚合物膜燃料电池是一种将燃料和氧化剂中的化学能直接、连续地转变成电能的发电装置。

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The truth is, the brain is an electrical device.

大脑其实是个电气设备。

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LIKE any other electrical device, a pacemaker needs a power source.

和其他所有的电子设备一样，一个起搏器同样需要能源。

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If a heart beats too slowly, the device will use electrical signals to help set a normal rate.

VOA: special.2010.06.29

Because it's a gel electricity is going to move through the gel because there are ions in it the same way - for the same reason you don't drop an electrical device into the bathtub because charge moves through water that has ions in it.

由于凝胶中存在离子,电流会通过凝胶,同样--,因为同样的原因你不会把电器扔进浴缸里,因为水里也有离子,所以水可以导电

耶鲁公开课 - 生物医学工程探索课程节选

As time goes on, we've developed ever more complex machines to study people and we've talked about some of these already: EKG machines, so an example of an electrical device that can be used to monitor a very elaborate function deep inside your body, the beating of your heart and the rhythm of your heart.

如今,我们已经有功能更加复杂的设备,来研究人类,比如之前说到的心电图,我们使用电子装置,对身体内部机能进行精确地监控,具体到心电图就是心跳和心率

耶鲁公开课 - 生物医学工程探索课程节选

It powers TV sets, mobile phones, computers--indeed, any sort of contained electrical device.

FORBES: The warlock of Menlo Park

It powers TV sets, mobile phones, computers, any sort of contained electrical device, of which there are more all the time.

FORBES: Magazine Article

The vibrations change the electrical properties of the device and this electrical signal is converted into an audio signal.

ECONOMIST: Noise-cancelling technology