短語詞組短語fiber -optic depolarized gyro 去偏光纖陀螺fiber optic gyro -scope 光纖陀螺resonator fiber optic gyro R -FOG 諧振式光纖陀螺closed -loop fiber optic gyro 閉環(huán)保偏光纖陀螺 返回 fiber-optic gyro