fǎngshèzǐkōngjiān
ㄈㄤˇ ㄕㄜˋ ㄗˇ ㄎㄨㄥ ㄐㄧㄢ
Simplified 仿射子空间
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 仿射子空間 and it comes back until you know it.