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1流明等于多少MCD
更新时间: 2020-07-07 00:00:00  

不能计算。

所谓的流明,是描述光通量的物理单位,物理学解释为一烛光在一个立体角(半径为1米的单位圆球上,1平米的球冠所对应的球锥所代表的角度,其对应中截面的圆心角约65度)上产生的总发射光通量。

MCD:光通量的空间密度,即单位立体角的光通量,叫发光强度,是衡量光源发光强弱的量,其中文名称为“坎德拉”,符号就是“cd”。

关键词: 等于 多少 mcd

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