螺距角

1
angle of pitch
俯仰角：飞机的两个平面之间的角度，其中一个平面包括飞机的横向轴和相对风的方向，另一个平面包括飞机的横向轴和纵向轴，在正常飞行中，俯仰角是纵向轴和相对风的方向之间的角度，当飞机的机头上升时，俯仰角为正。

1
[机] angle of pitch
... 螺距测量器 blade beam 螺距角 angle of pitch 螺距累积误差测量 accumulative pitch error measurement ...
2
pitch angle
... pitch angle 螺距角节面角距角桨叶安装角纵摇角 pitch angle 纵摇角;螺距角 pitch attitude 纵倾 ...

短语

1
考虑了螺距角散射造成的高垂直温度效应(二维效应)和相对论效应。
The high perpendicular temperature effect due to pitch Angle scattering and the relativistic effect are taken into account.
2
本文分析了盘面比、叶数、整体螺距角、周期螺距角、纵倾角、叶剖面形状等主要参数的变化对全方向推进器水动力性能的影响。
Analyze the influence of main parameters including exp. area ratio, blade number, collective pitch angle, section shape, cyclic pitch angle and rake angle on the performance of VVP.
3
同时改变钻具接头的螺纹参数，研究螺距、锥度、牙型角的改变对其应力分布的影响，为钻具接头的生产加工提供参考。
Meanwhile, we change the thread parameters, study the stress distribution caused by changing the pitch, taper and thread Angle, this work can provide a reference for manufacture.

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