ZHANG Xiangchao,ZHANG Hao,HE Xiaoying,et al. Fast evaluation of the minimum zone form errors of freeform NURBS surfaces[EB/OL]. Beijing:Sciencepaper Online[2014-09-28]. http://www.paper.edu.cn/releasepaper/content/201409-357. 此文件来自 中国科技论文在线 请勿作用于商业用途!