|
|
|
|
|
Han Bao, Bifeng Song, Wenqing Yang, Jianlin Xuan and Dong Xue
Birds in nature have many unique devices to help them acquire excellent flight abilities under various complex flight conditions. One of the unique devices is the leading-edge alula, located at the junction of the arm wing and the hand wing of most birds...
ver más
|
|
|
|
|