fixed point free造句

例句与造句

1. The best known is to Difference Families using the orbits of a fixed point free automorphism group of a group.
2. *The quotient of a K3 surface by a fixed point free involution is an Enriques surface, and all Enriques surfaces in characteristic other than 2 can be constructed like this.
3. He has constructed various beautiful examples of topological spaces, e . g . an acyclic, 3-dimensional continuum which admits a fixed point free homeomorphism onto itself; also 2-dimensional, contractible polyhedra which have no free edge.
4. It's difficult to find fixed point free in a sentence. 用fixed point free造句挺难的