“sifting property”的概念、定义、翻译、参考文献-科学参考

单词	sifting property
释义	sifting property Mathematics Two similar properties of the Kronecker delta and Dirac delta function (which was why Dirac chose the δ‎ notation). $a_{i j} = \sum_{k = 1}^{n} a_{i k} δ_{k j}, f (a) = \int_{- \infty}^{\infty} f (x) δ (x - a) d x .$
随便看	MERLIN Mermin–Wagner theorem merocrine secretion merocrystalline meromictic meromictic lake meromorphic function Merostomata Merovingians Merox process merozygote Merrifield, Robert Bruce Merrill, Paul Willard Mersenne, Marin (1588–1648) Mersenne prime mesa mesa transistor mescaline Meselson, Matthew Stanley mesencephalon mesenteric artery mesentery MESFET mesh mesh analysis

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