问几个数学术语
ring
symmetry
homomorphismsandideal
quotientrings
polynomialringsoverfields
primeidealaandmaximalideals
irreduciblepolynomials
classicalformulas
splittingfields
thegaloisgroup
rootsofunity
solvabilitybyradicals
independenceofcharacters
galoisextensions
thefundamentaltheorenmofgaloistheory