Flapping and rotarygap have been investigated with the help of transonic unsteady aerodynamic forces.
使用跨音速非定常空气动力，对扑动间隙和旋转间隙进行研究。
2
They also bridge the gap between the high school students and the Rotarians, leading by example and mentoring the future generations of Rotary.
他们也借由已自己作楷模方式以及作为扶轮未来一代的导师去消除高中学生间之差距。
3
The rotary balance wind test for the aircraft with nose outshoot is completed, and it fills the gap of the rotary balance wind test in domestic aviation.