摘要
本文在曲面的平点引进拟密切抛物面的概念,并讨论它和原曲面在所论平点邻近的关系.
This paper introduces the concept of the quasi-osculating paraboloid atplanar points of surfaces,and discusses the relation between it and the sur-face near the planar point.
出处
《曲阜师范大学学报（自然科学版）》
CAS
1991年第4期36-40,共5页
Journal of Qufu Normal University(Natural Science)
关键词
n-2极平点
拟密切抛物面
曲面
order n-2 planar point
quasi-osculating paraboloid
