The truth is, the brain is an electrical device.
大脑其实是个电气设备。
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。
An electrical device for changing the resistance in an electrical circuit.
用以改变电路内电阻的电气装置。
The invention also relates to a method of manufacturing such an electrical device.
本发明也涉及一种制造这种电气 器件的方法。
Amplifier is electrical device which make sounds louder.
扩音器是一种使声音放大的电气装置。
An electrical device for changing stored chemical energy into direct electric current.
将储蓄的化学能转变为直流电的电气装置。
An electrical device for changing stored chemical energy into direct electric current.
将储蓄的化学能转变为直流电的电气装置。
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