“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	dermatopathophobia Dermatophilaceae Dermatophilus dermatophyte dermatophytosis dermatoplast dermatosclerosis dermatosis Dermestidae Dermestoidea dermis Dermochelidae dermoepidermal junction dermographia dermoid cyst dermometer dermonecrotic Dermoptera Derodontidae derogatory matrix derosination derrick derrick barge derrick crane derrick post

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