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单词
Hubble's constant
释义
Hubble's constant
释义
[天文学]哈勃常数[亦作Hubble constant]
英英释义
Noun
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
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twin beds
twin-beds method
twin bellows model hand driven resuscitator
twin belt caster
twin-belt caster
twinbelt conveyor
twin-belt vanner
twin bench-type seat
twinberries
twin berry
twinberry
twinberry eugenia
twin berth
twin-berth clause
twin bill
twin bills
twin birth
twin births
twin-blade
twin-bladed paddle wheel
twin blades
twin-blades
twin block
twin block appliance
twin board
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更新时间:2026/4/18 0:21:38