Through using multi-frequency theory to analyze the noise of the tail rotor the relative sound pressure variable law is calculated according to the variation of scissors angle .

本文通过利用多频调制方法对 尾桨噪声进行理论分析，得出相对声压值随 剪刀变化的规律；

The yawing can apparently attenuate the angular displacement of both the tail and the attack angle of tail fin .

艏摇的存在会明显的衰减 尾柄主臂和尾鳍 攻角的角位移。

The chord-wise location of the vertical tail has little influence on the buffeting onset angle but large influence on the maximum buffeting response intensity ;

垂尾弦向位置对 垂尾抖振起始 迎 角影响较小，但对最大抖振响应影响较大；

The variation of horizontal tail position due to the angle of attack should be taken into account when wall-interference corrections on the longitudinal stability are performed .

对纵向静稳定性作洞壁干扰修正时，应考虑由于 攻角改变 平尾在风洞实验段中位置的变化。

This paper presents the effect of tail sting and the angle of boat tail on the base pressure at supersonic velocities .

本文介绍了天平 尾支杆以及模型 船尾对超声这弹丸底压测量影响的实验研究和 理论计算。

Study on Effect Tail Clearance Angle in NC Sharpening of Twist Drills

钻尖数控刃磨中的 尾隙 角研究

Cantilever tail plate : structure more complex load large plate surface angle can be adjusted ;

悬臂式 尾板：结构较复杂，载重量大，板面 角度可调节；

Research on Library User Long Tail in China from an Angle of Humanism Spirits

人文精神 视角下我国图书馆用户 长尾研究

The drag reduction caused by separation weakening on vertical tail results in drag increasing slowly with the increase of the positive attack angle .

垂尾分离随迎 角增加而不断减弱，从而导致正常式 布局后体阻力随迎 角 变化表现为非 对称。