Optical UNI光用户网络接口opticaladj.视觉的；光学的optical-tracking system光跟踪系统optical homodyne receiver光零拍接收机optical reflection mirror光学反射镜optical transport network光传送网络optical mark reader paper[化] 光标识别纸optical video disk system光盘电视系统Optical Grating Measuring光栅测量optical wave transmission光波透射optical guided wave fibre光波导纤维Optical transillumination光学透照法