这和平常的方法是一样的，如果给出，一条曲线的几何描述，就不得不自己判断，什么才是最好的参数化方法。
It is the same method as usual. And if you are being given a geometric description of a curve then, of course, you will have to decide for yourself what the best parameter will be.
近似弧长参数化曲线在CAD和几何造型系统中有着重要的应用。
Nearly Arc Length parameterization curve palyes an important role in CAD and geometric modeling.
曲面参数化是计算机图形学和计算机辅助几何设计中一个非常重要的问题。
Surface parametrization is one of important problems in computer graphics and computer aided geometric design.
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