二次曲线 [数] Conic ; quafric curve
三次曲线 [数] cubic curve ; Cubic ; three cubed curve
二次曲线的直径 [数] diameter of a conic
双二次曲线 [数] biquadratic curve
双枝三次曲线 [数] bipartite cubic
四次曲线 [数] quartic curve ; limacon ; biquadratic curve
绝对二次曲线 [数] absolute conic
五次曲线 [数] quintic curve ; quintics
奇二次曲线 singular conic
虚圆点实际上是一退化的二次曲线。
人们通常用有理三次曲线样条来构造整体曲率连续的曲线。
As for curvature continuity curves, they are usually constructed by means of rational cubic curves.
插补计算采用了差分插补法，能对所有的二次曲线进行直接插补。
This CNC system employs difference interpolation method for interpolation calculation, which can directly interpolate all of conic.
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