The DXF and DWG file formats also support arcs and circles, which you can approximate in your output formats by creating multiple small line segments approximating the circle or arc.
DXF和DWG文件格式还支持弧和圆，您可以在输出格式中通过创建多个小线段来近似模拟圆或弧。
The principle of bi-arc segment approximating mode is analyzed. According to the analysis of the error, the manufacture requirement is satisfied with the analyzed arc interpolating curves.
分析了双圆弧拟合的原理，并对逼近误差进行分析，满足了加工拟合曲线的要求。
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