“quadratic residue”的概念、定义、翻译、参考文献-科学参考

单词	quadratic residue
释义	quadratic residue Mathematics An integer a is a quadratic residue modulo n if the congruence x² ≡ a (mod n) has a solution. If n is an odd prime, then there are (n + 1)/2 quadratic residues in the range 0 ≤ a < n. See Legendre symbol, quadratic reciprocity.
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