Among them was Yisu Fan, whose flight from Shanghai had arrived six hours earlier.
范逸苏是其中之一，他从上海飞过来，六小时前到达这里。
Based on the principle of flight of fan wing aircraft, realizing methods of VTOL are preposed by changing the Angle of attack and increasing chord length of the tail.
基于扇翼机的飞行原理，提出通过改变攻角以及增加尾部升力面弦长的方式提高气动效率，进而实现垂直升降的方法。
The extraction fan operates continuously during flight and also on the ground when electrical power is available to the aircraft.
当飞行中和飞机在地面接通电源时，抽气风扇是一直工作的。
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