单词	arithmetic mean summation
释义
随便看	n-tuple vector n-tuple vector n-tuple vector nuclear C* -algebra nuclear map nuclear of a nonassociative algebra nuclear space nucleu of game nuisance parameter null angle nullary operation null-chain of a domain null concept null curve null element of ring null-homotopic map null hypothesis null hypothesis null hypothesis null hypothesis nullity nullity of a linear mapping nullity of a linear transformation nullity of a linear transformation nullity of minimal submanifold

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