Lumen maintenance

In LED lighting, lumen maintenance is the luminous flux remaining (expressed as a percentage of the initial output) at any selected elapsed operating time. Lumen depreciation is the luminous flux lost over time, and thus the complement of lumen maintenance.

单词	Lumen maintenance
释义	Lumen maintenance 英语百科 Lumen maintenance In LED lighting, lumen maintenance is the luminous flux remaining (expressed as a percentage of the initial output) at any selected elapsed operating time. Lumen depreciation is the luminous flux lost over time, and thus the complement of lumen maintenance.
随便看	serial data input serial data link serial data mode serial data output serial data representation serial data set serial data stream serial data transfer serial data transmission serial data transmitter serial decay serial decomposition serial design serial design of products serial device serial diagnosis serial digital serial digital adder serial digital computer serial digital decoder Serial digital interface serial digital operation serial digit operation Serial dilution serial dilution doubling