不过，现在我们需要知道多一点，它到底是什么，在物理上的意义是什么，怎样几何直观地想像等等。

But, for now we need to try to figure out a bit more about this, what it says, what it means physically, how to think of it geometrically, and so on.

youdao

不过，现在我们需要知道多一点，它到底是什么，在物理上的意义是什么，怎样几何直观地想像等等。

But, for now we need to try to figure out a bit more about this, what it says, what it means physically, how to think of it geometrically, and so on.

youdao