双曲表面，即通常所称的负曲率，因为它的表面曲线同时有的向上和有的向下，像一个马鞍，也许这样就可以代表宇宙的形状。

The hyperbolic surface, which has so-called negative curvature because its surface curves up and down at the same time, like a saddle, just might represent the shape of the universe.

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谁想曲座在椅子上读书时，看见”红牛，给你一双翅膀。 “的广告。

Who wants to curl up in a chair with "Red Bull - it gives you wings"?

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三维双曲设计背后的运算法则显示了光线的强度和方向，并把这些与几何原理相结合。

The algorithm behind the 3d double-curvature design registers the intensity and orientation of light rays and assigns them to geometric principles.

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