Or molecules. E rotational is, now it depends how many rotational degrees of freedom there are. If I've got a linear molecule, there are only two.

转动能E是，它取决于有多少转动自由度,如果我有一个直线形的分子，只有两个转动自由度。

youdao

And that's a rotational degree of freedom.

那是一个旋转自由度。

youdao

With some limitations this is true also of rotational degrees of freedom.

在某些限定条件下，这一说法对转动自由度也成立。

youdao

The USS Freedom is one of four littoral combat ships which Singapore has agreed to host on a rotational basis.

BBC: USS Freedom arrives in Singapore as part of US 'pivot'