切线的

The graph of a concave function is always below its tangent.

一个凹函数的图象总在它的切线的下方。

The ray corresponding to the wave surfaces tangent to the ellipsoids is deviated even though the incident ray is normal to the surface, and is called the extraordinary ray.

椭球次级波面的切线的光偏离了入射线与折射线的法线方向，将它称为非常光。

The line connecting the point and the center bisects the included angle of the two tangent lines.

这一点和圆心的连线平分这两条切线的夹角。

You can move around the point intersected bu two lines to observe the effect on tangent line.

你可以移动两条直线的焦点，观察切线的变化情形。

Find the length of the tangent drawn from D to the circle.

求从 D 至圆 C 的切线的长度。

The slope of a line tangent to the curve at the point is the marginal function.

需求曲线在这一点上切线的斜率也就是该点的边际函数。

This definition of dy presumes some expression for the subtangent.

dy的这个定义假定次切线的一些表达式。

In chapter 3, an algorithm about how to build the 3D model base on some base circles and tangent of them. Then arrange the base structure accorder the stitch, generate the mesh of the yarn surface, show the mesh then get the result of simulation.

在论文第三章中，讲述了建立基于空间基圆以及基圆间空间切线的三种基本结构的三维模型，并根据针法数据排列基本结构，生成纱线表面面片，显示面片得到编织物模拟结果。

Tension moves asymptotically toward the direction of the ''.

最大张力的方向是逐渐趋进于切线的方向。

You don't take off on tangents because you just want to waste a lot of time and energy.

你不起飞，对切线的，因为你只是想白白浪费了大量的时间和精力。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。