tangent

英 [ˈtændʒənt]

美 [ˈtændʒənt]

n. 切线; 正切

复数：tangents　

BNC.21952 / COCA.24421

习惯用语

fly/go off at a tangent

突然转换话题；突然改变行动
to suddenly start saying or doing sth that does not seem to be connected to what has gone before

noun

切线
a straight line that touches the outside of a curve but does not cross it
正切
the ratio of the length of the side opposite an angle in a right-angled triangle to the length of the side next to it

切线
Atangentis a line that touches the edge of a curve or circle at one point, but does not cross it.
PHRASE 突然偏离原来的思路;突然离题
If someonegoes off at a tangent, they start saying or doing something that is not directly connected with what they were saying or doing before.
1. The conversation went off at a tangent.
  交谈突然偏离了正题。

noun

ratio of the opposite to the adjacent side of a right-angled triangle
Synonym:tan
a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point

Then, if I choose any vector in that tangent plane.
那么如果我选择了任何位于切平面的向量。
The plane that contains all the lines tangent to a specific point on a surface.
包含所有在表面上的一个特殊的点相切的线的平面。
That is how we get the tangent plane.
这样我们就得到了切平面。
Finally, we illustrate the effects of using the tension parameter and tangent vectors to generate subdivision curves.
最后给出一些实例来说明松弛参数和切向量对细分曲线的影响。
If we were moving on the tangent plane, this would be an actual equality.
如果我们在切平面上移动，这将会是一个真正的等式。
Being perpendicular to the surface means that you are perpendicular to its tangent plane.
垂直于曲面也意味着垂直于它的切平面，垂直于曲面也意味着垂直于它的切平面。
Given the algorithm for solving common tangent ball mechanism and network search algorithms.
给出了求解公切线的算法和网络搜索球机制的算法。
Let's think about the tangent plane with regard to a function f.
我们来考虑，关于函数f的一个切平面。
The atanh() function returns the inverse hyperbolic tangent of an angle.
函数的作用是：返回一个指定角度参数所对应的反双曲正切值。
But, actually, that is not true because here the circle is tangent to the axis.
但实际上，这是不对的，因为这个圆与这个坐标轴相切。