1) double osculating plane
二重密切面
2) bitangent plane
二重切面
3) binode of a surface
二切面重点
4) osculating quadric
密切二次曲面
5) osculating plane
密切平面
1.
A tracing algorithm for calculating the intersection curves of two free-form surfaces by using their osculating plane is presented in this paper.
提出了一种利用密切平面对两自由曲面进行追踪求交的算法。
6) family of osculating planes
密切面族
1.
In this paper, we prove that the family of osculating planes of a space curves is infinitesimally stationary at the points with zero torsion, and rotates infinitesimally around the tangent at the points with non-zero torsion.
本文证明了空间曲线的密切面族在挠率为零的点处无穷小稳定，在挠率非零的点处绕切线无穷小旋转。
补充资料：密切二次曲面
密切二次曲面
osculating quadric
密切二次曲面[懈山山奄q皿面c;eonp“椒a扣川a，c:.娜甲似a]， 与给定曲面在给定点有二阶切触的二次曲面.例如r.劝阴以二次曲面(山汀比uxq崔侧匕c)和块二次曲面(Liequa面e).
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条