But it's tough to use a dim screen in bright environments, so most phones offer an auto-brightness mode that automatically adjusts the screen's brightness based on ambient light.

但是在明亮的环境下使用昏暗的屏幕是非常难受的，所以大多数手机都提供自动亮度调节模式，可以根据周围环境的亮度自动调节屏幕亮度。

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The Tritium illuminates the aiming point in total darkness, and the fiber-optic self-adjusts reticle brightness during daylight according to ambient light conditions.

三重氢照明被用在完全黑暗状态，而视觉纤维（自动调节）用在白天或者可以说在有外界光线的情况下。

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In order to meet the needs of special environment of the display, a display terminal brightness and ambient illumination mathematical relationship is established.

为了满足特殊场合的显示需要而研制的特种显示设备，建立了显示终端亮度和环境光照度之间的数学关系。

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The 55-inch OLED TV also offers an infinite contrast ratio, which maintains optimal contrast levels regardless of ambient brightness or viewing angle.

ENGADGET: LG's 55-inch OLED television starting at $12K, shipping in March

This new pinnacle of home entertainment also offers an infinite contrast ratio which maintains optional contrast levels regardless of ambient brightness or viewing angle.

ENGADGET: LG's 55-inch OLED HDTV ships in Korea next week, has 100 pre-orders so far

Smart sensing technology automatically detects your work conditions to determine the proper display brightness with ambient light and human sensors, while a comprehensive input panel, including HDMI, DisplayPort, DVI-D, VGA and 4-port USB hub, connects users to the latest peripherals and future-proofs the investment.

ENGADGET: NEC revamps its MultiSync lineup with new 24-inch IPS monitor