莫比乌斯环 Möbius loop ring

莫比乌斯环，又称莫比乌斯带，是一个没有边界、单侧曲面、无限循环的二维环形结构，由德国数学家奥古斯特・费迪南德・莫比乌斯和约翰・本尼迪克特・利斯廷在 1858 年发现 A Möbius ring, also known as a Möbius strip, is a two-dimensional torus with no boundary, a one-sided surface, and infinite loops, discovered in 1858 by the German mathematicians August Ferdinand Möbius and Johann Benedict Listin