定向信标指挥驾驶员，射束则指向目标。
The beacon beckoned to the pilot, the beam pointed to the target.
某型无人驾驶靶机是通过定向飞行控制来实现其靶廊飞行的，但在飞行试验时却出现了比较严重的靶廊飞行偏航现象。
UAV target drone, which is designed to fly along a straight-line target path by directional flight control, appeared serious flight leeway phenomena in flight test.
海洋自动驾驶仪接收，如罗盘从定向传感器的信号，并使用它们控制的自动导航掌舵。
The Marine autopilot receives signals from directional sensors such as the gyrocompass and USES them to automatically control the helm for navigation.
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