tangent to

基本解釋

And that line is tangent to the surface.
一條與曲面相切的直線。
The direction is tangent to the trajectory.
方向就是軌道的切線方向。
The green spiral is made from quarter-circles tangent to the interior of each square, while the red spiral is a Golden Spiral, a special type of logarithmic spiral.
綠色螺旋線由內(nèi)部每一個(gè)正方形和四分之一圓相切線構(gòu)成，而紅色的螺旋線是黃金螺旋線，它是對數(shù)螺旋線的一種特殊類型。

That limit will be some arrow we can call the velocity at the time and it will always be tangent to the curve.
那個(gè)極限也就是一個(gè)矢量,我們稱之為瞬時(shí)速度,并且它總是和軌跡相切的
耶魯公開課 - 基礎(chǔ)物理課程節(jié)選
So the velocity at any part of the curve is tangent to the curve at that point.
曲線上任意一點(diǎn)的速度,都在該點(diǎn)和曲線相切
耶魯公開課 - 基礎(chǔ)物理課程節(jié)選
That means that you want to pick, ultimately, a point on this-- this line is tangent to the efficient portfolio frontier with all the other assets in it.
那意味著你會(huì)最終會(huì)在這上面選一個(gè)點(diǎn)-,這條直線是與有效邊界相切的,后者包含了所有的資產(chǎn)組合。
耶魯公開課 - 金融市場課程節(jié)選

When discussing politics and policy with your friends or dinner companions (and my hope is that they are both) it is a solid tangent when disagreements arise to go down the road of asking if they believe scarcity exists.
FORBES: We're All Economists Now: Scarcity Lessons For High School Students