例句與造句

1. The endomorphism algebras of these tilting objects are the "'quasi-tilted algebras "', a generalization of tilted algebras.
2. defined tilting objects in hereditary abelian categories in which all Hom-and Ext-spaces are finite-dimensional over some algebraically closed field " k ".
3. defined tilting objects " T " in an arbitrary abelian category " C "; their definition requires that " C " contain the direct sums of arbitrary ( possibly infinite ) numbers of copies of " T ", so this is not a direct generalization of the finite-dimensional situation considered above.
4. It's difficult to find tilting object in a sentence. 用tilting object造句挺難的