光学陀螺导航系统
gyro erected optical navigation system
陀螺光学导航
gyro erected optical navigation
陀螺罗经导航
gyro erected optical navigation
环形激光陀螺导航仪
ring laser gyro navigator
集成光学陀螺
integrated optic gyro
integrated optic gyroscope
水下陀螺罗经系统
underwater gyro compass system
陀螺导航系统
gyro erectional navigation