Systerms : system terms : 莫比乌斯带

A (41) | B (23) | C (62) | D (45) | E (33) | F (34) | G (18) | H (16) | I (28) | J (2) | K (5) | L (14) | M (29) | N (17) | O (10) | P (62) | Q (10) | R (41) | S (74) | T (31) | U (12) | V (12) | W (8) | X (1) | Y (2) | Z (2)

‌莫比乌斯带是一种只有一个面和一条边的神奇纸圈‌，由德国数学家莫比乌斯在 1858 年发现。它把普通纸条扭转半圈后粘起来，让蚂蚁不用翻边就能爬遍整个面。‌‌

tags

数学

数学系统

Everything is a system, and every system contains systerms.

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