英语词汇“Hubble's parameter”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	Hubble's parameter
释义	Hubble's parameter (extremely rare) n WORD FAMILY Hubble's parameter n (cosmology) the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer; the Hubble constant is not actually a constant, but is regarded as measuring the expansion rate today Syn\|Hyper Hubble constant, Hubble parameter, Hubble's constant constant a number representing a quantity assumed to have a fixed value in a specified mathematical context
随便看	genus Antheraea genus Anthericum genus Antheropeas genus Anthidium genus Anthoceros genus Anthonomus genus Anthriscus genus Anthurium genus Anthus genus Anthyllis genus Antidorcas genus Antigonia genus Antilocapra genus Antilope genus Antirrhinum genus Antrodemus genus Antrozous genus Aotus genus Apatosaurus genus Apatura genus Aphis genus Aphriza genus Aphrophora genus Aphyllanthes genus Apios

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