Meanwhile,it also points out that the methods of derivative can be more extentively applied in the research on tangent of the curve, which proves the important thought of the combination of figure and chart.
同时导数方法在研究曲线的切线方面更有广泛的应用,也体现了数形结合的重要思想。
tangental point of a cubic
三次曲线的切线割点
spherical indicatrix of tangent to a curve
曲线切线的球面指标
a curve that is tangent to each of a family of curves.
与相邻的曲线相切的曲线。
a contrivance for cutting curved shapes
可作曲线切削的用具
tangent-cone of a qualric
二次曲面的切线锥面
Draw two tangents to the two branches of the curve.
画出该曲线两个分支的两条切线。
The Relation between the Clairaut Equation and (Curve) Tangent Equation;
Clairaut微分方程与(曲线)切线方程的关系
A Class of Spline Curve with Given Tangent Polygon
一类带有给定切线多边形的样条曲线
A curve or surface that is tangent to every one of a family of curves or surfaces.
包络线，包络面一条曲线或一个曲面，与一组曲线或曲面中的每一曲线或曲面保持正切
A point at which a curve crosses itself and at which the two tangents to the curve coincide.
尖点，会切点曲线上的一个点，曲线在该点与其本身相交，曲线的两条切线在该点重合
A curve that cuts all of a given family of curves or surfaces at the same angle.
常角轨道，轨线以同样的角度切割给定系统所有曲线或平面的曲线
An Extension of the Cubic B-Spline Curve with Given Tangent Polygon
带有给定切线多边形的三次B样条曲线的扩展
Lines which are everywhere tangential to the direction of the flow of electric current are called streamlines.
处处均与电流方向相切的曲线称为流线。
Four Propositions and Their Applications of a Straight Line and a Conic Section Being Tangent;
直线和圆锥曲线相切的若干命题与应用
ESTIMATION OF HEIGHT BASED ON THE LENGTH OF TIBIA;
论胫骨——身高的切比雪夫曲线拟合
Closed Adjustable Spline Curve with Given Tangent Polygon
与给定多边形相切的可调闭样条曲线
Method of Estimating In-plane Shear S-N Curve of Unidirectional Laminate from Off-axis Tension S -N Curve
由单向层压板偏轴拉伸S-N曲线估算面内剪切S-N曲线的方法
The ratio of the change in the angle of a tangent that moves over a given arc to the length of the arc.
曲率切线通过给定弧线的角度变化与弧线长度之间的比率