The amount of blade twist is called the pitch angle .
叶片扭曲的量被称之螺旋上升角。
The first type is available when the pitch angle is small.
当俯仰角很微小的时候，使用第一种方式较为方便。
The pitch control is attained by the measurement of the pitch angle.
针对俯仰回路，利用测量的俯仰角实现了俯仰回路姿态控制；
This paper studies virtual design of pitch Angle transmission and control system of wind turbine.
本文针对风力发电变桨距传动及控制系统进行了研究。
Among all the parameters, the pitch length and the braiding Angle are the basic parameters.
而编织工艺参数众多，其中花节距和编织角是最基本的参数。
Among all the parameters, the pitch length and the braiding Angle are the basic parameters.
而编织工艺参数众多，其中花节距和编织角是最基本的参数。
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