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通过分析传统的八心圆椭圆近似作图的误差,从曲线最佳逼近的角度出发,给出一种偏差接近最小、且容易用尺规作图完成的新画法.研究结果,可以应用到数控机床加工之中.
By analyzing the error of the traditional octagonal circle ellipse approximation, this paper gives a new method that the deviation is close to the minimum and is easy to be plotted with ruler from the viewpoint of the best approximation of the curve.The research results can be applied to CNC machining.