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发表于 2019-8-3 23:09
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本帖最后由 Hetbert 于 2019-8-3 22:17 编辑
日光下,人眼对偏黄的绿色最为敏感,就是工人穿的高反光背心那种黄绿色。
何况背景还是粉色的花?
B是白天最容易看见的。D是晚上最容易看见的。C是停在花上最不容易看见的。A是停在叶子上最不容易看见的。
For daytime color vision (known as photopic vision) the most visible wavelength is 555 nm, which comes out to a color part-way between green and yellow. For night vision (known as scotopic vision) the most visible wavelength is 505 nm, which most people see as halfway between green and blue-green. |
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