“Sommerfeld number”的概念、定义、翻译、参考文献-科学参考

单词	Sommerfeld number
释义	Sommerfeld number Encyclopedia 工学润滑释 Sommerfeld number索莫菲尔德数反映滑动轴承润滑状态的无量纲数群。
随便看	nonnegative definite 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

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