Chordal deviation is the perpendicular distance between the actual curve and the approximating line segments.

圆弧可以大量短直线模拟，弦长偏差是圆弧与直线的垂直距离。

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Chordal deviation is the perpendicular distance between the actual curve and the approximating line segments.

圆弧可以大量短直线模拟，弦长偏差是圆弧与直线的垂直距离。

youdao