就在上周日，一架动力三角翼超轻型飞机在北京十三陵水库坠毁，机上实习驾驶员遇难，教练受伤。
Beijing aviation club was ordered to suspend operations after a microlight aircraft crashed into the Ming Tombs reservoir on May 2, killing the student pilot and injuring his instructor.
双三角翼气动布局比三角翼飞机具有更好的大攻角空气动力特性。
The effects of Gurney flap on double delta wing aerodynamic performance in low speed wind-tunnel tests;
双三角翼气动布局比三角翼飞机具有更好的大攻角空气动力特性。
The effects of Gurney flap on double delta wing aerodynamic performance in low speed wind-tunnel tests;
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