Replace telephone receivers that may have been knocked off by the earthquake.

替换那些在地震中损坏的电话。

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Other devices that utilize electromagnets include particle accelerators, telephone receivers, loudspeakers, and televisions.

其它利用电磁铁的装置有粒子加速器、电话听筒、扬声器和电视。

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But now these receivers then reduced to about the size and weight of hand telephone.

但是现在接收器已经缩小到尺寸和重量和手机差不多。

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