光哗optical breakdown
【物理】附在眼镜上的辅助光学仪器attaching auxiliary optical parts to spectacles
声光接收机acousto-optical receiver【电讯】;Bragg-cell receiver【电讯】;
光学还音器optical reproducer【电影】
旋光色散optical dispersion
光学性能测定仪Optical Property Tester
【电】 光效率optical efficiency
【化】 多模光纤multimode (optical) fibre