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功率:120w； 光通量：8600LM； 功率因素：0.9； 相关色温：5000-7000k； 显色指数：rA70; 材料：压住铝合金和pc； 外形尺寸：直径415
http://blog.alighting.cn/wenlinroom/archive/2010/5/23/45347.html2010/5/23 12:08:00
2 光谱及电磁波频率分布图 照明的基本参数 （1）光通量（LM） 由于人眼对不同波长的电磁波具有不同的灵敏度，我们不能直接用光源的辐射功率或辐射通量来衡量光能量，必须采用以人眼对
http://blog.alighting.cn/wenlinroom/archive/2010/5/22/45326.html2010/5/22 22:24:00
下三图较为形象地加以说明： 图2 led照明热传路径（A） 图
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http://blog.alighting.cn/dou674016/archive/2010/5/22/45302.html2010/5/22 16:17:00
