汉英词典
Chinese-English Dictionary
MEANING OF 光度
光度
luminosity
〈名〉天文学上指天体的发光能力。由亮到暗可把恒星分为7级,即超巨星、亮巨星、巨星、亚巨星、矮星、亚矮星、白矮星。
guāng
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