tangent

n.

正切；突然转移话题；突兀的转向；（铁路或道路的）直线区间

adj.

正切的；相切的；切线的；离题的

复数：tangents

tangent line切线，正切

tangent point切点；切向点

tangent plane切面相切平面

tangent modulus切线模量，切线模数；正切模量；地基应力和变形切线模量

hyperbolic tangent双曲正切

arc tangent n. 反正切

loss tangent损耗因数；损耗角正切

tangent space切空间；切丛；切线空间

tangent vector正切向量，切矢量

tangent method切向法；切线法；正切法

tangent length切线长度；切线长

base tangent length公法线长度

1. Some examples are given by inscribed and circumscribed circles ofpolygons, lines intersecting and tangent toconic sections, thePappusandMenelausconfigurations of points and lines.
   一些例子所给予者和限制各界的多边形，线相交和相切的圆锥部分，帕普斯和墨涅拉俄斯配置的点和线。

1. 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。
2. Both of approaching and returning movements are along the tangent of the circle.
   绕转之后移动方向为自南向北，也是沿圆周的切线运动。
3. The tangent may be used to find the direction.
   这方向也可用正切求得。
4. Store normals in generic space, e.g., Tangent Space.
   存储非普通空间的法向量，例如，正切空间。

Tangent and Cotangent Bundles
The tangent space in sub-Riemannian geometry
A tangent modulus method for rate dependent solids
Tangent and Cotangent Bundles. Differential Geometry
Projective Manifolds with Ample Tangent Bundles
Bayesian Tangent Shape Model: Estimating Shape and Pose Parameters via Bayesian Inference
Shape Statistics: Procrustes Superimpositions and Tangent Spaces
Improved tangent estimate in the nudged elastic band method for finding minimum energy paths and saddle points
Transformation Invariance in Pattern Recognition-Tangent Distance and Tangent Propagation
Principal manifolds and nonlinear dimensionality reduction via tangent space alignment