One such device Tesla was creating involved a vibrating oscillator machine, which was basically an engine that put out high frequencies.

特斯拉发明的设备中就包括一个振动振荡器，这款机器可以说是一个能发出高频信号的引擎。

He liked his barber shop where he was " Hi, corporal" ! to a pale, emaciated young man, who shaved him and pushed a cool vibrating machine endlessly over his insatiable head.

他喜欢他的理发店，在那里他会说“嗨，下士”！一个面色苍白、消瘦的年轻人给他剃了胡子，还在他贪得无厌的脑袋上不停地推着一台凉爽的振动器。