tangent

1. The conversation went off on a tangent.: 谈话突然偏离了正题。

2. In this paper base tangent length is put forward and lead angle calculating formula is deduced.: 这篇文章提出了公法线长度并推导出超前角的计算公式。

3. It is really the tangent plane.: 它确实就是切平面。

4. That is how we get the tangent plane.: 这样我们就得到了切平面。

5. That's the equation of a tangent plane.: 这就是切平面的方程。

6. And that line is tangent to the surface.: 一条与曲面相切的直线。

7. The direction is tangent to the trajectory.: 方向就是轨道的切线方向。

8. That's one way to define the tangent plane.: 这是定义切平面的方法。

9. 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。

10. Going off on a tangent only confuses readers.: 写一篇有主题突出的博文，突然转移话题只会让读者感到迷惑。

11. 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。

12. It's going to be tangent to the level surface, right?: 它是与等值面相切的，对不对？

13. So, it doesn't look very tangent because it crosses the surface.: 它看上去并不是十分地相切，因为它穿过了曲面。

14. That also tells us how to find tangent planes to level surfaces.: 这其实也告诉我们，怎样找等值面的切平面。

15. 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。

16. It has a hat because it's a unit vector, and t because it's tangent.: 这上面有一个帽子表示它是单位矢量，T表示它是切线。

17. So, the velocity vector is going to be always tangent to the curve.: 速度向量总是与曲线相切的。

18. 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。

19. SVG can turn an image so it always faces the tangent of the line it is following.: SVG可以使图像转向，以便它总是面向它所移动方向的切线。

20. 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。

21. OK, and that's going to be the normal vector to the surface or to the tangent plane.: 这就是切平面的，或者说这个曲面的法向量。

22. 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。

23. That means a magnet has to nudge the protons to enter the circular beam pipe on the tangent.: 这意味着必须设置一个磁铁，以便调整质子束方向以保证沿着切向方向导入圆形粒子束管道。

24. Going on a tangent—as long as it’s one you know the other person will be interested in—really works.: 跳出话题，只要是你知道的，对方感兴趣的话题，真的很有效果。

25. And, at this point, I have the tangent plane to the level surface OK, so this is tangent plane to the level.: 在这点上，我们有一个切于等值面的切面，这就是等值面的切平面。

26. Well, that means the gradient is actually perpendicular to the tangent plane or to the surface at this point.: 那意味着，梯度向量在这点上，垂直于切平面或者是等值面。

27. They are just flowing along the circle around and around so the flux will be zero. F now is tangent to c.: 只是沿着曲线流动，所以通量为零，F与C相切。

28. And now, delta r should be essentially roughly equal to, well, its direction will be tangent to the trajectory.: 这里，△r应该是近似等于。。。,它的方向是轨道的切线方向。

29. If you want strict equalities in approximations means that we replace the function by its tangent approximation.: 如果你想要严格的近似等式,那就意味着我们要用切线逼近来取代原函数。

30. If you want strict equalities in approximations means that we replace the function by its tangent approximation.: 如果你想要严格的近似等式,那就意味着我们要用切线逼近来取代原函数。

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