陀螺半罗盘 meaning in English

• azimuth gyroscope
• bird cage
• directional displacement gyroscope
• directional gyro compass
+More...
• directional gyro indicator
• directional gyrocompass
• directional gyroscope
• directional-control gyroscope
• flight gyroscope
• gyrocompass

• 陀螺:    top; whipping top; ...
• 半:    half
• 罗盘:    compass