这些黄色框和黑色框的装置，的箭头标志，这些箭头信号反馈回，自动导航装置，所以飞机可以，稳定航线。
And the arrow signals that come from the bearings of the yellow housing and the black housing, those arrow signals are fed back to the automatic pilot and so the plane will stay on course.
本发明的车辆导航装置监测车辆速度，并根据车辆速度变化自动调节语音服务音量。
It monitors the speed of the vehicle and regulates the volume of phonetic service automatically based on the varying vehicle speed.
本发明的车辆导航装置监测车辆速度，并根据车辆速度变化自动调节语音服务音量。
It monitors the speed of the vehicle and regulates the volume of phonetic service automatically based on the varying vehicle speed.
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