例句與造句

1. This generalizes to the notion of abelian scheme; a group scheme " G " over a base " S " is abelian if the structural morphism from " G " to " S " is proper and smooth with geometrically connected fibers They are automatically projective, and they have many applications, e . g ., in geometric class field theory and throughout algebraic geometry.
2. It's difficult to find structural morphism in a sentence. 用structural morphism造句挺難的