短語(yǔ)詞組短語(yǔ)Diffraction by Grating 光柵衍射diffraction optical grating 衍射光柵diffraction E grating spectrograph 衍射光柵攝譜儀diffraction of grating 光柵衍射diffraction ruled grating 衍射刻劃光柵ultrasonic diffraction crystal grating 超聲晶體光柵diffraction ? grating spectrometer 衍射光柵光譜儀 返回 diffraction grating