nine-line conic 九线二次曲线
eleven line conic 十一线二次曲线
nine line conic 九线二次曲线
eleven-line conic [数] 十一线二次曲线
line coloring conic 线素二次曲线
conic line 锥线
Conic section road border model put forward to the form characteristic of the border of road, the ones that have realized to identification line of lane which are followed in real time.
针对道路边界的形状特征提出的二次曲线道路边界模型，实现了对车道标识线的实时跟踪。
In this paper, it is presented that the locus of a line crossedwith each of two guide lines and a guide conic not being on a commonplane is a ruled surface of fourth order.
本文提出了由一条二次曲线和与该二次曲线不共面的两条异面直线为导线，与该三导线均相交的直线轨迹是一个直纹四次曲面，并讨论了二次曲线分别为椭圆、双曲线和抛物线时，形成的曲面的形状特征。
The directrix line of a conic.
二次曲线的准线。
应用推荐