The question, then, is how to relate viewing distance to a person's visual acuity.

现在的问题是，怎样将欣赏距离和人们的视觉灵敏度联系起来。

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Retina displays have a pixel density that's so high, your eyes can't discern individual pixels at a normal viewing distance.

软件翻译：“视网膜显示器具有如此高的像素密度，您的眼睛不能在正常观看距离辨别各个像素。”

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The frequency of rainbows is dependent on content, viewing distance, and the viewer's sensitivity to the phenomenon.

彩虹现象的频率取决于画面内容，观看距离还有观看者对彩虹的敏感性。

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"I for one don't have a clear bit of wall space that is within easy viewing distance of my desk and keyboard, " notes Scuka.

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At 220 pixels-per-inch, the Retina display's pixel density is so high the human eye cannot distinguish individual pixels from a normal viewing distance, so text and graphics look incredibly sharp.

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The conventional wisdom says that the ideal viewing distance (how far away you sit from the TV) is 1.5 to 2.5 times the screen size, but who cares about convention when the Super Bowl is on?

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