例句與造句

1. Cayley constructed the Chow variety of all curves in projective 3-space.
2. There is a "'Hilbert-Chow morphism "'from the reduced Hilbert scheme of points to the Chow variety of cycles taking any 0-dimensional scheme to its associated 0-cycle ..
3. It's difficult to find chow variety in a sentence. 用chow variety造句挺難的