“封和突墓萨珊银盘”的概念、定义、翻译、参考文献-科学参考

单词	封和突墓萨珊银盘
释义	封和突墓萨珊银盘 Encyclopedia 历史学中国古代金银器释 Sassanian silver dish from the Tomb of Fenghetu封和突墓萨珊银盘波斯萨珊王朝（224～651）时期的鎏金银盘。
随便看	nonnegative definite kernel nonnegative definite matrix nonnegative definiteness nonnegative definite quadratic estimate non-negative definite quadratic estimator nonnegative divisor nonnegative element nonnegative function nonnegative integer nonnegative integral kernel nonnegative manifold nonnegative matrix non-negative matrix factorization nonnegative measure nonnegative number nonnegative operator nonnegative orthant nonnegative partial sum nonnegative quadratic form nonnegative semi-definite matrix nonnegative solution nonnegative splitting nonnegativity nonnegativity condition nonnegativity requirement

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