Now, the question is how do we find the size of this disk, the size of the shadow?

现在的问题是，我们如何确定圆盘的大小，即这个投影的大小？

youdao

The clip Gallery cannot find this clip file on your disk.

剪辑库无法在硬盘上找到此剪辑。

youdao

The clip Gallery cannot find this clip file on your disk.

剪辑库无法在硬盘上找到此剪辑。

youdao