探讨了常见非圆弧曲线的加工方法，并以椭圆及正弦曲线为例，叙述了在使用宏指令加工过程中坐标值的数据转换及程序编制。
The way to process non-arc curves was discussed. Illustrating ellipse and sinusoid curves, the coordinate conversion and programming in the process of using macro command were stated.
分析了双圆弧法拟合非圆曲线的特点。
The characteristics of double arc gain on non-circular curve are analyzed.
建立了在线切割系统中用尽可能少的圆弧近似代替非圆曲线的优化模型，采用二分法进行求解。
The optimization model of which arc approximately substitute non-circular cure is established in this paper, and result is get by the method of dichotomy.
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