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。

youdao

Viewers who stay at the optimal viewing distance can see good stereo images without crosstalk.

研究了最佳观看距离和像素匹配的设定方法，给出观看较好立体效果的范围。

youdao

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。

youdao

"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.

CNN: Mobile phones project growth on a bigger screen

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.

ENGADGET: Apple announces next-generation MacBook Pro: Retina display, 0.71-inches thin, shipping today for $2,199

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?

FORBES: Personal Tech