And that's a rotational degree of freedom.

那是一个旋转自由度。

That's a line. I have one degree of freedom.

这是一条曲线，我有一个自由度。

I could not give the greatest degree of freedom.

我无法给予最大程度的自由。

A high degree of freedom, just have advanced science.

有高度的自由，才有高深的科学。

All these are valid reasons for a very great degree of freedom.

所有这些都是要求教育高度自由的合理原因。