wagner conjecture造句

例句与造句

1. Wagner conjectured in the 1930s ( although this conjecture was not published until later ) that in any infinite set of graphs, one graph is Paul Seymour finally published a proof of Wagner's conjecture in 2004 and it is now known as the Robertson Seymour theorem.
2. It's difficult to find wagner conjecture in a sentence. 用wagner conjecture造句挺难的