This perceptual glitch meant that in lab tests 90 percent of bats banged into a smooth vertical surface.

这种感知故障意味着，在实验室测试中90%的蝙蝠撞到光滑的垂直面。

But its vertical face was so intimidating, it was only first scaled in 1931.

但它的垂直面令人望而生畏，直到 1931 年才首次有人攀登。

Cardiac axis can be determined by examining the 6 limb leads, which look at the heart from different angles in a vertical plane.

心脏轴可以通过检查6肢体导联来确定，这些导联在垂直面上从不同角度观察心脏。

Now consider a vertical plane representing a for us inaccessible higher dimension that intersects with the horizontal plane and in doing so, places the random points on a curve that does reveal a meaningful connection.

现在想象一垂直面，代表我们无法触及的更高次元，让它与水平面相交，这样，那些随机的点线连结而展现出意义。

" Gently, now." He added another pinch of spice to the container, sent the foam boiling around Jessica's hands as she began cutting a vertical face in the upper slant of the hole.

“轻轻一点，现在。”他又往容器里加了一小撮香料，当杰西卡开始在洞的上斜面切出一垂直面时，泡沫在杰西卡的手上沸腾起来。