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。
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。
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。
Built-in photosensitive resistor (CDS), Brightness according to ambient light, Automatic IR LED can be opened and closed, More delay infrared lamp working life.
内置光敏电阻(CDS)，根据环境光线亮度，可自动控制红外灯开启与关闭，更能延缓红外灯的工作寿命。
The display brightness is controlled based on the ambient light, and the display panel includes a double swivel permitting re-orientation.
根据环境光来控制显示器亮度，并且显示面板包括允许重新定向的双转体。
This option (represented by a slider bar for on Battery and on AC) sets the panel brightness when the ambient light sensor is off.
在环境观光器关闭时，可以分别设定连接电源或电池时显示器的亮度。
A light sensor reduces waste further by adjusting the brightness to match the ambient light, and a motion sensor can turn off the TV when it detects that no one is in the room.
轻型传感器减少浪费，以符合环境光线，运动传感器可以关闭电视，当它检测到房间里没有人时。
A light sensor reduces waste further by adjusting the brightness to match the ambient light, and a motion sensor can turn off the TV when it detects that no one is in the room.
轻型传感器减少浪费，以符合环境光线，运动传感器可以关闭电视，当它检测到房间里没有人时。
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