The fairing of curves and surfaces is one of tasks in CAGD and is used to aviation, space navigation,automobile and shipping,so people very attach importance to it.

• 曲线、曲面光顺是CAGD中的重要研究课题之一,在航空、宇航、汽车和船舶等设计制造行业中有着重要的应用,因此受到人们的普遍重视。