例句與造句

1. It is these generalized ideal class groups which correspond to abelian extensions of " K " by the existence theorem, and in fact are the Galois groups of these extensions.
2. That generalized ideal class groups are finite is proved along the same lines of the proof that the usual ideal class group is finite, well in advance of knowing these are Galois groups of finite abelian extensions of the number field.
3. In the idelic formulation of class field theory, one obtains a precise one-to-one correspondence between abelian extensions and appropriate groups of ideles, where equivalent generalized ideal class groups in the ideal-theoretic language correspond to the same group of ideles.
4. It's difficult to find generalized ideal class group in a sentence. 用generalized ideal class group造句挺難的