摘要
文章简明论证了二次曲面的投影轮廓为二次曲线。
The projective contour of a quadratic surface is proved to be a quadratic curve,and a general graphics for projective contour of a quadratic suface is given.
出处
《合肥工业大学学报（自然科学版）》
CAS
CSCD
1994年第3期87-90,共4页
Journal of Hefei University of Technology：Natural Science
