What follows, it gives a proof that the volume of rotating parabolic body is half of a cylinder which has the same bottom and height.

随后，证明了旋转抛物体的体积为同底同高圆柱体体积的一半。

youdao

What follows, it gives a proof that the volume of rotating parabolic body is half of a cylinder which has the same bottom and height.

随后，证明了旋转抛物体的体积为同底同高圆柱体体积的一半。

youdao