四條相交的拋物線草圖 呈菱形。 Sketch of four parabolic curves intersecting In the shape of a diamond.
可用於任何用途的相交拋物線曲線
Intersecting parabolic curves that can be used for anything
四條相交的拋物線草圖 呈菱形。 Sketch of four parabolic curves intersecting In the shape of a diamond.