英语词汇Luminosity distance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	Luminosity distance
释义	Luminosity distance 简明释义光度距离（光度距离 "DL" 是定义天体的绝对星等M和视星等m这两个名词之间的关系）网络释义短语 1 luminosity distance indicator 光度示距天体 2 distance-luminosity relation 天距离光度关系 ; 距离双语例句 1 It has been known for some time that outside the bright nucleus of a typical spiral galaxy luminosity falls off rapidly with distance from the center. 我们曾经认为在典型螺旋星系的明亮中心以外，亮度随距中心距离的增加而急剧减弱。
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