Contrast ratio determines the level of detail that can be seen on the display, with the higher ratio providing richer color and crisper lineation.

对比度确定了显示器能看到的细节程度。对比度越高，色彩更丰富、线条更清晰。

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Contrast ratio: a number ratio resembling 1:1 or 10, 000:1, which illustrates how much difference there is between the brightest whites and the darkest black colors the screen can display.

对比度：一个比值，如1：1或10,000：1，代表屏幕所能表现出的最亮白色和最深黑色之间的差值。

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The width-to-height ratio of the active area of a display. Standard U. S. video has an aspect ratio of 4:3.

有效面积的宽度对高度的比率展示。 标准美国录像有4︰3的高宽比。

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Via the suite of onboard sensors the HUD, originally designed for snow sports, has been customized to display glide ratio, speed and altitude via a micro LCD screen sitting unobtrusively inside the pilot's goggle.

ENGADGET: Recon Instruments offers Flight HUD goggles for wingsuit pilots and skydivers

Built from the ground up for the web, the 12.85-inch 3:2 ratio display claims to offer 18 percent more vertical space than 16:9 does.

ENGADGET

Runco's cutting edge sward didn't stop there as they have this new projector screen-mask that when paired with the proper equipment and lens on Runco projectors can display any aspect ratio.

ENGADGET: Runco @ CEDIA - 1080p projectors HD