3、udentsstudyingatnight.Wecanfindtheever-burninglampseverywhere.Thoseconsciousandunconsciouswasteleadtothesquanderingnationalresources,meanwhile,itbringscollegesatremendousburden.ThispassagedisplaysanefficientenergycontrolmethodbasedontheprinciplesofSCM indoor lighting control system