The pressure gradient and entrainment of vortexes are main reasons that synthetic jet actuator controls low speed primary jet direction.
压强梯度的存在和旋涡的卷吸作用是合成射流激励器控制宏观低速流流动方向的主要因素。
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。
In the first stage the jet stream lies well to the north and it takes a general west-east direction.
在第一阶段急流远在其北且一般为由西向东的方向。
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