夜鹰一种夜鹰，尤指欧洲的普通夜鹰，具有灰褐杂色的羽毛、细长的白翼和短喙。
A goatsucker especially caprimulgus europaeus of europe having gray and brown mottled plumage with long slender white wings and a short bill .
研究了在大迎角下，后掠翼对细长体绕流结构和气动力特性的影响。
The influence on flow structure and aerodynamic of a slender by sweep wing at high Angle of attack was studied.
本论文主要是通过实验来研究细长圆锥体在大迎角下的绕流流场的特性和细长三角翼加背鳍后对前缘涡的影响，检验相关理论结果。
This paper deals with the numerical solution of the Euler equation for airfoils using approximate boundary conditions and the effects dorsal fin on vortex over delta wing at high angles of attack.
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