piecewise curve-fitting method
piecewise curve-fitting method
分段曲线拟合法
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Aim To determine the measured profile of a wheel in railway vehicle. Methods So - called piecewise curve-fitting method of the third derivative continuity is employed.
目的拟合列车车轮踏面的实恻轮廓曲线，方法采用三阶导数连续的分段曲线拟合法。
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