Corpus Viewer
莫比烏斯帶
莫比烏斯帶，獨一面一界曲面也，乃拓撲學構造。一八五八五年，
德
疇人暨
天學者莫比烏斯、
李斯丁各得之。欲得此帶，當扭紙帶而接兩端，方成。莫比烏斯帶者，實有左右之分，相互對稱。若扭紙帶以順時針，可得右性者，反之可得左性。
參
克萊因瓶
IDS:
?
If a component is awkward to type directly, choose its total stroke count and then its first stroke. This is an input aid, not a judgement about how difficult the component is to learn. The five first-stroke classes follow the IRG system.