“收获者”执行飞行作战任务时，导航员既失去了对无人机的“实际控制”，也不能与遥控飞机建立联系并发送控制输入信号。

The Reaper was flying a combat mission when operators lost "positive control" of the UAV, or the ability to establish connections and send control inputs to the remote-controlled aircraft.

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比例—使用电输入信号来控制压力或流量输出。

Proportional - Uses electrical input signal to control pressure or flow output.

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以实现输入信号成比例的输出轴的位置控制。

And realize the proportional input signal of the output shaft's position control.

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