Amsel, how is getting rid of half of the intensity gonna damage the eye?
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送交者: 我是西尔斯 于 2009-04-14, 04:22:40:
回答: 自然光经过偏振镜变成偏振光,强度是原强度的一半 由 克己明德 于 2009-04-14, 04:10:58:
Amsel, how is getting rid of half of the intensity gonna damage the eye?
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