“Urysohn theorem”的概念、定义、翻译、参考文献-科学参考

单词	Urysohn theorem
释义	Urysohn theorem [`u̇r·ē´zōn ´thir·ǝm] ^MATHEMATICS The theorem that a regular T₁ space whose topology has a countable base is metrizable.
随便看	sedimentary trap sedimentary tuff sedimentary volcanism sedimentation sedimentation balance sedimentation basin sedimentation coefficient sedimentation constant sedimentation curve sedimentation diameter sedimentation equilibrium snatch plate S-N diagram sneak path sneeze Snellen test Snell laws of refraction snezhura snifter valve sniperscope snivet sno SNOBOL Snoek effect snooperscope

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