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光度 - 维基百科 跳转到内容

光度

出自维基百科,自由个百科全书

光度拉科学个弗同领域中有弗同个意义。拉光度学(photometry)中,"光度"(luminosity)经常搭亮度(luminance)弄混。亮度(luminance)是光源拉给定方向上单位面积单位立体角内所发出个光通量,单位是尼特。光度(luminosity)并弗是一个物理量,迭个词用拉光度函数。









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