英语词汇Hubble's constant怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	Hubble's constant
释义	Hubble's constant 简明释义哈勃常数英英释义 n. 1 (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 reciprocal of the Hubble constant is the age of the universe 同义词：Hubble constant 双语例句 1 The technique is now more precise, astronomers say, and so more accurate values for Hubble's constant and the uncertainty of the value of that constant can be reliably determined. 这项技术如今更加精确，天文学家称，这样就可以推测更精确的哈勃常数值以及该值的不确定性。
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