Brownout Detect掉电检测
Brownout Voltage电压保护
brownout t节约用电
ac brownout交流降压;交流节电
power brownout限电
brownout mode节电模式
sleep for brownout休眠省电
brownout and high efficiency节电高效
UPS on battery Brownout持续低电压
N（名词） a dimming or reduction in the use of electric lights in a city, esp to conserve electric power or as a defensive precaution in wartime (尤指为节约电力或作为战时防御措施的)城市灯火管制