Todd Reichert's ornithopter is an engineless plane that stays aloft by flapping its wings like a bird.
托德·理查特的扑翼飞机没有发动机，而是靠机翼像鸟的翅膀一样拍打保持飞行。
The effects of flapping frequency, wind velocity, Angle of attack, plane shape of wing and cambered aerofoil are investigated.
试验中进行了扑动频率、风速、迎角、机翼平面形状、翼型弯度对机翼气动特性影响的研究。
On the basis of former rigid wing model and consideration of the velocity change and the distortion of wing plane, a flapping model is developed.
在原有匀速刚性模型的基础上，提出考虑了扑翼扑动速率变化和形状变化的柔性扑翼模型，使之更接近鸟翼真实扑动情况。
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