Angle of ATTACK, the Angle of the wing chord in relation to the free stream airflow as it moves forward through the air.
迎角，机翼翼弦在空气中向前运动时与自由气流之间的夹角。
Based on the principle of flight of fan wing aircraft, realizing methods of VTOL are preposed by changing the Angle of attack and increasing chord length of the tail.
基于扇翼机的飞行原理，提出通过改变攻角以及增加尾部升力面弦长的方式提高气动效率，进而实现垂直升降的方法。
The influence on flow structure and aerodynamic of a slender by sweep wing at high Angle of attack was studied.
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。
A simple nonlinear wing theory for the low-aspect-ratio rectangular flat plate with large Angle of attack in incompressible flow is developed.
本文系对不可压缩流体中大冲角小展弦比矩形平板机翼提出—个简单的非线性理论。
For the aircraft with moderate swept wing, the main reasons of causing wing rock are the variations of roll damping moment with the Angle of attack and the sideslip Angle.
对具有中等后掠角机翼的飞机，产生机翼摇晃的主要原因是滚转阻尼力矩随迎角和侧滑角的变化。
The torsion reduces the effectual attack angle of the elastic sweep wing.
有效迎角的减小又使得弹性机翼的有效气动力载荷减小。
In flight, the Angle of attack can only be adjusted to a small degree, as the wing is highly pliable and subject to collapse.
在飞行时，当伞翼变的极度容易折湾及崩溃时，攻角只能被调整至一个非常小的角度。
In this paper wing had wing-blade and wing hadn't wing-blade applied for wind tunnel tests at different attack Angle and velocity.
文中进行了带翼刀机翼和不带翼刀机翼在不同迎角和风速下的风洞吹风试验。
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。
The aerodynamic characteristics of the free wing are investigated in this paper. The wind tunnel test results shows that the control of the angle of attack of the fre…
通过风洞试验，对带升降副翼控制的自由翼气动特性也进行了实验研究，验证了位于自由翼后缘的升降副翼可有效地控制自由翼相对气流的平衡迎角。
When flapping-wing flight at small attack Angle, wing had wing-blade improve effectively aerodynamic characteristic of flapping-wing.
当扑翼在小迎角飞行时，机翼带翼刀可以有效地改善扑翼的气动特性。
When flapping-wing flight at small attack Angle, wing had wing-blade improve effectively aerodynamic characteristic of flapping-wing.
当扑翼在小迎角飞行时，机翼带翼刀可以有效地改善扑翼的气动特性。
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