根据已知的控制顶点，求解非均匀有理B样条曲面上的点的程序，继而显示出整个非均匀有理B样条曲面，求解点的数据没有显示出来，只显示曲面-According to the known control points, solving the non-uniform rational B-spline surface point on the program, and then displays the entire non-uniform rational B-spline surface, solvi