切斯特·卡尔逊的发明者复印，原本是专利律师，以及一名兼职研究员和发明家。
Chester Carlson, the inventor of photocopying, was originally a patent attorney, as well as a part-time researcher and inventor.
马可尼研究了许多发明家的著作，包括海因里希·赫兹的书，他发现了我们现在所称的无线电波，以及迈克尔·法拉第的书，他是产生电能之发电机的发明者。
Marconi studied books by many inventors, including Heinrich Hertz, who discovered what we now call radio waves, and Michael Faraday, the inventor of the dynamo for producing electrical energy.
马可尼研究了许多发明家的著作，包括海因里希·赫兹的书，他发现了我们现在所称的无线电波，以及迈克尔·法拉第的书，他是产生电能之发电机的发明者。
Marconi studied books by many inventors, including Heinrich Hertz, who discovered what we now call radio waves, and Michael Faraday, the inventor of the dynamo for producing electrical energy.
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