在第三章，为了得到点到空间曲线距离的快速计算算法，我们研究了利用圆弧样条拟合点集的问题。
In chapter 3, in order to obtain a fast algorithm of computing the foot point of a given point to a spiral curve, we study the problem of circular spline fitting.
简述水火弯板成形原理，分析了曲板局收缩与整体成形关系确定的重要性，应用分段圆弧样条函数拟合曲板的辊轧线。
The principle of line heat forming of ship hull is described. The importance of determination of relationship between the local contraction of circular plates and the integral forming is analysed.
根据短道速滑冰刀的特点提出了用G1连续圆弧样条拟合短道速滑冰刀弧度曲线，以此建立短道速滑冰刀刃磨的数学模型。
A thought of grinding the blade curve of skates for short track speed skating with G1 continuous arc splines is presented according to the skates blade properties.
重点讨论了椭圆弧和样条曲线、样条曲线和样条曲线之间的模糊识别。
Have discussed the fuzzy discernment among oval arc and spline curve, spline curve and spline curve especially.
方案选定后，重新确定样条函数的参数值，通过参数值的变化，准确表达线形中的直线段、圆弧段、缓和曲线段等。
Then selecting parameters again, we can express the alignment's line, arc, transition curves through the variations of parameters.
在该系统中不但具有直线和圆弧插补功能，而且还具有样条曲线插补功能。
In the new CNC system, not only linear or arc but also splines can be interpolated.
在图形的绘制模块中又可以分成七个小的模块：直线、虚线、圆和圆弧、椭圆及椭圆弧、样条曲线。
Drawing module is divided into seven small modules: dash, line, rectangle, circle, arc, ellipse and bezier.
在图形的绘制模块中又可以分成七个小的模块：直线、虚线、圆和圆弧、椭圆及椭圆弧、样条曲线。
Drawing module is divided into seven small modules: dash, line, rectangle, circle, arc, ellipse and bezier.
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