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
- That's the equation of a tangent plane.
这就是切平面的方程。 - 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。 - Drag to add 2 circles with tangent connecting opposite sides. Complementary tangent line can be shown.
拖动此形状,可添加切线与相对圆边相连的两个圆。可以显示互补的切线。 - 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。 - A new spline curve is presented which interpolates given points and tangent directions with piecewise involute of circle.
利用拼接的圆渐开线实现对平面上的数据点及其切向的插值。 - 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。 - The tangent is an important concept in trigonometry.
“正切”是三角学中的一个重要概念。 - We are replacing the graph by its tangent plane.
我们用函数的切平面来替代它的图像。 - 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。 - 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。