工程师们还试图研制一种间断式“开关”，当暴露在日光下时，光照会逐渐消失。
The engineers are also trying to develop an on-and-off "switch" where the glow would fade when exposed to daylight.
规范装备：日光灯、开关、插座、暗敷线路。
Standard equipment: fluorescent lamp, switch, socket, dark apply lines.
与紧凑型日光灯不同的是，LED开启迅速和与暗开关相容。
Unlike compact fluorescents, LEDs turn on quickly and are compatible with dimmer switches.
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