背景灯：为整个房间提供一定亮度，烘托气氛。
Setting lamp: Offer certain brightness for whole room, foil atmosphere.
液晶本身不发光，它需要使用背景灯来产生明亮的颜色。
Liquid Crystals do not emit any light, and have to be backlit in order to produce bright colors.
当在电池电源下使用背景灯，将大大减低电池使用时间。
Using backlight while on battery power will substantially reduce battery life.
当背景灯亮起时，在棒球比赛场地栏杆上看到一只螳螂。
A praying mantis is seen on a railing as a light glows in the background during a baseball game in St Louis.
其他隐秘的功能包括阻止来电，电邮或闹钟，关闭手机背景灯和背景拍摄等等。
Stealthy functions include blocking incoming calls, emails & other alerts, turning off your backlight and background shooting.
背景灯、读写内存、无线连接、特殊的硬件和处理器速度，所有这些会对总体功耗产生重要的影响。
Backlighting, reading and writing to memory, wireless connections, specialized hardware, and processor speed all have an impact on the overall power usage.
凑近细看，这件作品其实是由24个背景灯映照下的紫水晶玻璃制成，排列在以一扇人造窗户为背景的架子上(图见下方幻灯片)。
Close up, this work is in fact some two-dozen back-lit objects made of amethyst glass, arranged on shelves against a faux window (pictured in slideshow below).
键盘同时还有供暗处工作使用的背景灯，同时具有防溅功能，并舍弃了一些极少使用的键，如系统请求键（SysRq），以此创造更为流线型的外观。
The keyboard also has a backlight for working in the dark, is spill resistant and jettisoned some rarely used keys like SysRq for a more streamlined look.
键盘同时还有供暗处工作使用的背景灯，同时具有防溅功能，并舍弃了一些极少使用的键，如系统请求键（SysRq），以此创造更为流线型的外观。
The keyboard also has a backlight for working in the dark, is spill resistant and jettisoned some rarely used keys like SysRq for a more streamlined look.
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