tangent point

基本解释

The locus of space tangent point and the arc segment of deck at side are obtained based on the above conditions.
在此基礎上，求出首圓弧空間切點線和甲板邊線的脩正段。
The results show that the bifurcation phenomenon occurs under certain conditions and it occurs at the tangent point of the characteristic curve of the system.
結果表明：在一定條件下，低乾度自然循環兩相流動系統存在靜態分岔現象，靜態分岔點出現在特征曲線的切點上；
In this paper, some relations of the invariants concerning the simplex and its tangent point simplex, are given and then, an inequality for the dihedral angles of a simplex is also presented.
本文首先給出單形的不變量和它的切點單形的不變量之間的若乾關系式，然後再給出一個關於單形二麪角的不等式。

So the velocity at any part of the curve is tangent to the curve at that point.
曲線上任意一點的速度,都在該點和曲線相切
耶魯公開課 - 基礎物理課程節選