perpendicular

adj.

1. 垂直的；成直角的
   forming an angle of 90˚ with another line or surface; vertical and going straight up
   1. Are the lines perpendicular to each other?
      这些直线相互垂直吗？
   2. The staircase was almost perpendicular (= very steep) .
      楼梯几乎成垂直的了。
2. 垂直式的（英国14、15世纪盛行的建筑风格，以使用垂直线和大拱为特征）
   connected with a style of architecture common in England in the 14th and 15th centuries, that makes use of vertical lines and wide arches

noun

1. 垂直线（或位置、方向）
   a line, position or direction that is exactly perpendicular
   1. The wall is a little out of the perpendicular.
      墙壁有点倾斜。

1. ADJ-GRADED 垂直的；笔直的
   A perpendicular line or surface points straight up, rather than being sloping or horizontal.
   1. We made two slits for the eyes and a perpendicular line for the nose...
      我们划了两道缝儿做眼睛,另外划了一条竖线做鼻子。
   2. The sides of the loch are almost perpendicular.
      湖岸几乎都是垂直的。
2. ADJ 垂直（于）的；成90度角的
   If one thing is perpendicular to another, it is at an angle of 90 degrees to it.
   1. The left wing dipped until it was perpendicular to the ground.
      左翼下垂至与地面成90度角。

1. We made two slits for the eyes and a perpendicular line for the nose
   我们划了两道缝儿做眼睛，另外划了一条竖线做鼻子。
2. The sides of the loch are almost perpendicular.
   湖岸几乎都是垂直的。
3. The left wing dipped until it was perpendicular to the ground.
   左翼下垂至与地面成90度角。
4. Let AB be perpendicular to CD.
   设AB垂直于CD。
5. When a surface is perpendicular to the rays, their intensity is at its maximum.
   当表面与射线垂直时，射线的强度最大。
6. The floor is perpendicular to the sidewalls.
   地板与边墙是成直角的。
7. This was evident from the perpendicular wrinkles.
   这可以从那些垂直的折皱上看出来。
8. A surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis.
   抛物面一种有与单坐标轴平行的抛物截面和与该轴垂直的椭圆截面的平面。
9. It should be perpendicular to the road.
   应该是和道路垂直的。
10. Almost perpendicular to the orbital plane.
    几乎和公转平面垂直。
11. But we know another vector that is also perpendicular to the level set of g.That is the gradient of g.
    但我们知道有另外一个向量也是和g的等值面垂直的，这个向量就是g的梯度。
12. The plumb line is always perpendicular to the horizontal plane.
    铅垂线总是垂直于水平面的。
13. So, see, this coefficient becomes zero exactly when the line is perpendicular to the normal vector.
    看到了吧，系数变为0了，当直线垂直于法向量的时候。
14. The directional derivative in a direction that's perpendicular to the gradient is basically zero.
    垂直于梯度的方向上，方向导数为零。
15. A great circle on the celestial sphere passing through the zenith and perpendicular to the horizon.
    与水平线垂直的宇宙天体范围内的大圈，它经过天顶和地点。
16. And, we can also use that to find a vector perpendicular to two given vectors, A and B.
    还可以用外积来找到一个向量，使它和给定的向量A及B垂直。
17. That means that u is perpendicular to the gradient.
    也就是和梯度向量垂直的方向。
18. It's a vector, perpendicular.
    一个与半径垂直的矢量。
19. The staircase was almost perpendicular.
    楼梯几乎成垂直的了。
20. Well, it's the direction that's perpendicular to this plane.
    它其实是朝垂直于平面的方向。
21. Fibers have a very high modulus along their axis, but have a low modulus perpendicular to their axis.
    纤维在沿着其轴向有很高的模量，但垂直于其轴向的模量却较低。
22. The line of sight must be approximately perpendicular to the horizontal axis.
    视线必须近似地垂直于水平轴。
23. A method of analysis of transverse modes in a plane perpendicular to a laser beam is reported.
    提出以激光束的横模结构特别是基模所占的比例作为激光光束质量的评价依据，并研究了测量方法。
24. The perpendicular line through a given segment's midpoint.
    这条垂线通过给定线段的中点（中垂线）。
25. But when I'm here, this r has changed position, and always remains perpendicular to the wheel.
    但是我在这时，r改变了位置，永远与轮子垂直。
26. The arranging direction of the flaky fins is perpendicular to the wind direction;
    所述的片状翅片的排列方向和风向是垂直的；
27. And work is a dot product between force and the direction of motion, perpendicular to each other.
    压力和，运动方向的，数量积彼此垂直。
28. Do you mean how do I know that it is perpendicular to a level curve?
    你想问的是，我如何知道它是和等高线垂直的吗？
29. In other words, it's perpendicular to the plane of the two vectors.
    换句话说，它垂直于，两个向量所处的平面。
30. The length of the arrow shows the approximate speed in a direction perpendicular to the line of sight.
    图中的箭头长度近似的表示在垂直于我们的视线的面上，这三个星系团的速度。

noun

1. an extremely steep face

2. a cord from which a metal weight is suspended pointing directly to the earth's center of gravity

   Synonym:    plumb line

3. a Gothic style in 14th and 15th century England

   Synonym:    perpendicular styleEnglish-GothicEnglish-Gothic architecture

4. a straight line at right angles to another line

adj

1. extremely steep
   1. the great perpendicular face of the cliff

2. at right angles to the plane of the horizon or a base line
   1. a vertical camera angle
   2. the monument consists of two vertical pillars supporting a horizontal slab
   3. measure the perpendicular height

   Synonym:    vertical

3. intersecting at or forming right angles
   1. the axes are perpendicular to each other