a device in an aircraft or a ship that keeps it on a fixed course without the need for a person to control it （飞机的）自动驾驶仪；（船的）自动操舵装置
a device in an aircraft or a ship that keeps it on a fixed course without the need for a person to control it （飞机的）自动驾驶仪；（船的）自动操舵装置