optical fill光学薄膜
opticaladj.视觉的;光学的
optical receiver and transmitter光接收/发射机
optical communication equipments光通信设备
optical beam-direction control光束方向控制
optical fiber voltage transducer光纤电压传感器
optical-fibre tensile strength光纤抗拉强度
optical fibre compression sensor光纤压力传感器
optical lever measurement system光杠杆测量系统
optical field's radiating forcesn.[动]中肾