tangent
英 [ˈtændʒənt]
美 [ˈtændʒənt]
n. 切线; 正切
复数:tangents
BNC.21952 / COCA.24421
习惯用语
n.
- 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
牛津词典
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
柯林斯词典
- 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.- The conversation went off at a tangent.
交谈突然偏离了正题。
- The conversation went off at a tangent.
英英释义
noun
- ratio of the opposite to the adjacent side of a right-angled triangle
- a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point
双语例句
- And, that's the same thing& as being tangent to the level.
这就和“与等值面相切”说的一样了。 - 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。 - Accurate reconstruction of planar contour mixed with straight lines and arcs is achieved with position or tangent continuity.
解决了由直线和圆弧构成的平面轮廓精确重构问题,满足轮廓各段之间位置连续以及相切条件。 - Returns the hyperbolic tangent of the specified angle.
返回指定角度的双曲正切值。 - The tangent is an important concept in trigonometry.
“正切”是三角学中的一个重要概念。 - This paper discusses cubic algebraic curves with the given tangent polygon.
文章论述了与给定切线多边形相切的三次代数曲线; - The steady automatic tangent line function has improved working efficiency.
稳定的自动切线功能提高了工作效率。 - 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。 - The first two order radial and tangent displacement modes of pipe are acquired.
对管道进行数值模拟,提取前两阶径向和切向位移模态。 - 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。