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。”

youdao

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

盲软件翻译：“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。

youdao

Graininess: The character of a photographic image when, under normal viewing conditions, it appears to be made up of distinguishable particles, or grains.

颗粒性：摄影影像的特性，在通常的视觉条件下，它表现出由可分辨的颗粒或粒子组成。

youdao

Some newspaper commentators have claimed it is difficult for Alba to show it is doing this, as normal viewing figures are not available for the station.

BBC: New Freeview chapter for BBC Alba

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

This widespread divided attention, the new normal for TV viewing, is so significant that it almost makes you wonder which screen is the first and which is the second.

FORBES: Rethinking Super Bowl Advertising: It's About Not Just the Creative but How Creatively You Use It