Analyzing the backcurve of human body, fitting of the backcurve, fixing the constraint conditions, the seat backcurve which is more conformed to physiological principle is obtained.
This paper introduces the measuring sample layout of the backcurve, when the backcurve is round, the radius can be any value or given value for realizing its flexibility of application.
介绍回头曲线采用圆曲线时,其半径以任意值和指定值的测量放样,以达到灵活应用的目的。
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Then I go clockwise along the inside curve, then back along the slit.