圆锥的拟合，三维点云数据的拟合，关于曲面重构，曲面拟合，曲面的特征提取，对圆锥点云数据的一个网格化(Conic, fittingFitting of cones, fitting 3D point cloud data, surface reconstruction, surface fitting, surface feature extraction, and gridding of conical point cloud data.)