How homogeneous and isotropic is stratospheric mixing?

平流层混合是怎么均匀又各同性的？

youdao

That the scales in the universe, at any time, three-dimensional space is homogeneous and isotropic.

认为在宇宙尺度上，任何时刻，三维空间是均匀的和各向同性的。

youdao

For instance, the theory predicts a maximum density of homogeneous and isotropic space-time, which could have implications for black hole formation.

例如，该理论预测了均匀且各向同性时空的最大密度，而这可能隐含了黑洞形成过程的某些信息。

youdao

Cosmologists investigating the structure of the universe do not really mind which direction a telescope is pointing, since the universe is isotropic and homogeneous which is a fancy way of saying that it looks the same in all directions.

ECONOMIST: Mirror, mirror