词汇	E.H
释义	E.H. 🌏切尔内赫；哈勒特
随便看	optical, record carrier optical recorder optical recording optical recording density optical recording device optical recording disk optical recording head optical recording material optical recording media optical recording medium optical, recording of measured values optical recording/reading heads optical recording system optical rectification optical-rectification effect optical recursive algorithm optical reference device optical reference line optical reference manual optical reference plane optical reference point Optical Reference Unit optical refinements optical reflection optical reflection mirror