On the basis of Chebyshev curve fitting method, a new method to design worn profile tread is proposed by this paper.
本文在切比雪夫曲线拟合方法的基础上，提出了一种高次曲线磨耗形踏面的设计方法。
The noise of the micromotor is not only considered as one of reflections of automobiles' inside environment, but also reflects the design technics and fitting level of the motors.
微电机噪声是车内环境污染的噪声源指标，同时也是电机设计、工艺和装配水平的综合反映。
The paper introduces the method of data fitting, programming and application of general listing function to engineering, surveying and design.
介绍了工程实验、勘测、设计中常见的列表函数之数值拟合方法、程序实现及工程应用。
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