opto-isolator
... OptoMechanicalMouse选项按钮 opto-isolator光学机械鼠标 optoelectronictechnology预设选择；预制选择附件 ...
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1983年，罗技发明了第一只光学机械式鼠标标，也就是我们今天所说的机械鼠标。
In 1983, the first optomechanical mouse, so-called mechanical mouse today, was created in Logitch. The technical type of this mouse became the realistic standard in the field of mouse production.
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