“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	half plane half-power beamwidth half-power frequency half-power point half-pulse-repetition-rate delay half-round file half section half set half-shade plate half-shift register half-side formulas half-silvered surface half space half step half-subtracter half tap half thickness half-through arch half tide half-tide basin half-tide level half-timbered half time halftone halftone characteristic

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