presheaf 中文意思是什麼
presheaf
解釋
預層-
This essentially implies that the presheaf is a sheaf.
這實質上蘊含著預層是一個層。 -
It constitutes a presheaf of ring on the basis of open sets. (xf)fa.
這構成了開集基（Xf）fA上的環的予層。 -
Presheaf of regular functions
正則函數預層
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