The sides of the mountain are almost perpendicular.
山的两侧几乎是垂直的。
The wall is a little out of the perpendicular.
墙壁有点倾斜。
The left wing dipped until it was perpendicular to the ground.
左翼下垂至与地面成90度角。
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,一条竖线做鼻子。
Let AB be perpendicular to CD.
设ab垂直于CD。
The wall is usually perpendicular.
墙通常是垂直的。
should be perpendicular to the level set.
必须与水平集垂直。
The surface is perpendicular to gravity.
它们平面垂直于重力。
And the force is perpendicular to the arm.
力是垂直于杆。
So it's still perpendicular to the same plane.
所以这个外积还是垂直于同一个平面。
The two lines are perpendicular to one another.
这两条线相互垂直。
Well, it's the direction that's perpendicular to this plane.
它其实是朝垂直于平面的方向。
The force is always perpendicular to the direction of motion.
因为这个力总是垂直,于运动的方向。
You might be able to draw curves that are perpendicular to it.
或许你可以画出每点都垂直于向量场的曲线。
The lighter should sit perpendicular to the neck of the bottle.
打火机应该与瓶颈垂直。
However, this elliptical image is perpendicular to first image.
但这次的成像与前一次的垂直。
And then there is the normal force perpendicular to the surface.
这个力，垂直于斜面。
So, how do we find this vector that's perpendicular to the plane?
所以，我们要怎么找，垂直于这个平面的向量？
Z points toward the sky and is perpendicular to the ground plane.
值朝向天空方向，与地面垂直相交。
The church stands perpendicular to the neighborhood's main street.
教堂与相邻的主街道垂直。
It takes courage and strength to climb up the perpendicular cliff.
攀上这悬崖峭壁需要勇气和力量。
And so it was rotating like this and was perpendicular to the disk.
它这样旋转，垂直于圆盘。
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？
I mean when I say up, of course it is still perpendicular to the surface.
当我说向上时，它当然仍是垂直曲面的。
We have seen that the gradient is perpendicular to the level surface.
我们已经知道，梯度是垂直于等值面的。
These two vectors are perpendicular exactly when their dot product is zero.
当点乘的数量积为零时,这两个向量垂直。
Then you know that the gradient of g is perpendicular to the level surface.
那么就知道了g的梯度,是垂直等值面的。
Above, the camera is placed perpendicular to the train pavilion bridge.
上图中，相机的摆放与火车站的天桥垂直。
And I will call this direction y, as I always do perpendicular to the surface.
照惯例把垂直方向，设为y方向。
Perpendicular with the root of the wire, the direction sensor can be made.
用了根相互垂直的丝，可以制成方向传感器。
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