例句與造句

1. Regev has made significant contributions to the theory of polynomial identity rings ( PI rings ).
2. In 1972, Formanek was one of two mathematicians to independently discover the central polynomials, which have applications to polynomial identity rings.
3. With Vesselin Drensky, Formanek is the author of the book " Polynomial Identity Rings " ( Birkh鋟ser, 2004 ).
4. The K鰐he conjecture has been shown to be true for various classes of rings, such as polynomial identity rings and right Noetherian rings, but a general solution remains elusive.
5. It's difficult to find polynomial identity ring in a sentence. 用polynomial identity ring造句挺難的