ひし形に交差する4つの放物線曲線のスケッチ。 Sketch of four parabolic curves intersecting In the shape of a diamond.
何にでも使える交差する放物線曲線
Intersecting parabolic curves that can be used for anything
ひし形に交差する4つの放物線曲線のスケッチ。 Sketch of four parabolic curves intersecting In the shape of a diamond.