The actuator at an angle can change greatly the primary jet direction and has a good effect on thrust vectoring without increasing input power.

在不增加激励器输入功率的情况下，带倾角激励器可以极大地增加主流偏转角度，推力向量控制效果很好。

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Actuator disk theory relates the pressure drop across the disk to the change in wake size and the energy which can be extracted from the wind.

促动盘理论把越过盘时的压力降与尾流尺寸的变化和能从风中获取的能量联系在一起。

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They turned an electroactive polymer into an actuator so that the material could change to exert force with an electrical signal, basically creating an exomuscle.

FORBES: Nanotech On The Front Lines