aspherical space造句

例句与造句

1. However, there do exist symplectically aspherical manifolds which are not aspherical spaces.
2. These are the so-called aspherical spaces.
3. Also directly from the definition, an aspherical space is the classifying space of its fundamental group ( considered to be a topological group when endowed with the discrete topology ).
4. It's difficult to find aspherical space in a sentence. 用aspherical space造句挺难的