So, if you slice these things by a vertical plane, or actually even better, a vertical half plane, something to delete one half of the picture.

如果你画个切面是垂直的，或者是更好的垂直半平面，我们擦掉这半边。

youdao

So, that gives me a slice of my graph by a vertical plane, and the slice has a certain slope.

那样给出图像的一个垂直切面，这个切面上有某个斜率。

youdao

We'll be slicing things by a plane that is now in the direction of this vector,u and we'll be looking at the slope of the slice of the graph.

用沿着向量方向的平面,切开图像,然后看图像的剖面图，找出斜率。

youdao

Over the ocean, where there is no radar to warn of impending collisions, safety rules require a plane to occupy a slice of sky 160 kilometers long and 300 meters thick, severely limiting traffic.

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