luminous flux
【电学】发光顶棚（反光顶篷）【建筑】照明天花板（照明式天花板）
luminous ceiling (illuminated ceiling)
暂无补充释义。
相关词条
luminous
luminous organ
total luminous flux
luminous body
standard relative luminous efficiency curve
luminous efficacy【光】;luminous efficiency【光】
luminous spot