The moving part of an electromagnetic device such as a relay, buzzer, or loudspeaker.

电枢：电磁装置的移动部分，如继电器，蜂音器或扬声器。

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The electromagnetic device which is the base of voltage divider is made up of intermediate transformer compensation reactor and damper.

电磁装置由中间变压器、补偿电抗器和阻尼器组成，作为分压器底座。

youdao

The electromagnetic device which is the base of voltage divider is made up of intermediate transformer, compensation reactor and damper.

电磁装置由中间变压器、补偿电抗器和阻尼器组成，作为分压器底座。

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Electromagnetic waves or energy passed through the air from one device to the other.

VOA: special.2010.12.08

The power needed to operate the device is sufficiently small that it can get all the juice it needs from stray (or transmitted) electromagnetic radiation or miniature solar collectors.

FORBES: Electronic Devices Packaged in Synthetic Skin