optical dye荧光染料opticaladj.视觉的；光学的optical mark card reader光符号卡读出器optical coincidence card光学一致卡optical harness assembly光缆捆束组件optical damage threshold光学损伤阈optical-fibre guidance光纤制导optical linear filtering最优线性滤波optical fiber gas sensor光纤气体传感器optical power efficiency光功率效率optical fiber transducer光纤传感器optical transponder unit光波长转换器