By regular rate we mean that the amount of time that each chord holds is exactly the same; every chord holds for the same length of time.

如果变化频率规则，那么和声中每个和弦持续的时间长度是完全相同的，每个和弦都持续同样长的时间。

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PERCENT mean aerodynamic chord, Defines a position on the aircraft relative to the mean aerodynamic chord of the wing.

平均气动弦百分比，用来确定飞机上一点相对于机翼平均气动弦的位置。

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By regular rate we mean that the amount of time that each chord holds is exactly the same; every chord holds for the same length of time.

如果变化频率规则，那么和声中每个和弦持续的时间长度是完全相同的;,每个和弦都持续同样长的时间。

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