classifying map造句

例句与造句

1. This map is called the "'classifying map "'of the fibre bundle p : M \ to N since 1 ) the principal bundle G \ to M _ p \ to N is the pull-back of the bundle G \ to EG \ to BG along the classifying map and 2 ) The bundle p is induced from the principal bundle as above.
2. This map is called the "'classifying map "'of the fibre bundle p : M \ to N since 1 ) the principal bundle G \ to M _ p \ to N is the pull-back of the bundle G \ to EG \ to BG along the classifying map and 2 ) The bundle p is induced from the principal bundle as above.
3. It's difficult to find classifying map in a sentence. 用classifying map造句挺难的