例句與造句

1. An analogous pseudometric was constructed for flat affine and projective structures in and then generalized to ( normal ) projective connections.
2. The topological circle has many compatible projective structures on it; the space of such structures is the ( infinite dimensional ) universal Teichm黮ler space.
3. When X = \ mathbb P ^ n ( \ mathbb R ) is the n-dimensional real projective space and G = \ mathrm { PGL } _ n ( \ mathbb R ) one gets the notion of a projective structure.
4. Cartan successfully applied his equivalence method to many such structures, including projective structures, CR structures, and Lagrangians and ordinary differential equations . ( His techniques were later developed more fully by many others, such as D . C . Spencer and Shiing-Shen Chern .)
5. It's difficult to find projective structure in a sentence. 用projective structure造句挺難的