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ANGLE OF INCIDENCE, The acute angle which the wing chord makes with the longitudinal axis of the aircraft.

安装角， 飞机的纵轴与机翼弦线所形成的锐角。

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The fitted curve is smooth and continuous. The accumulated chord length is used as virtual interpolation datum axis.

然后用累加弦长作为虚拟的插补基准轴，提出了一种基于虚拟基准轴的插补新算法。

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Just as an example, note musical sketch from 2009 where comedy group Axis of Awesome amaze their audience by playing 36 modern pop songs over the same four-chord structure, in one long sequence.

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