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光通维持率
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光通维持率
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工学
【LED可靠性试验】
释
luminous maintenance rate
光通维持率
发光器件(灯)在规定条件下点亮,其光通量是随着工作时间的增加而逐渐衰减的,在寿命期间内特定时间的光通量与该灯的初始光通量之比。
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quadrangle grid
quadrangular
quadrangular number
quadrangular prism
quadrangular pyramid
quadrangular set of six points
quadrangulation of boundary representation based shapes
Quadrans Muralis
quadrant
quadrantal angle
quadrant altazimuth
quadrantal triangle
quadrant angle
quadrant detector
quadrant electrometer
Quadrantid meteor shower
Quadrantids
quadrant of a circle
quadrant relation
quadrant spherical triangle
quadrant unit
quadraphony
quadrasonics
quadrat
quadrate
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