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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】
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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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central element
central emergency response agency
central endomorphism
central enterprise
central eruption
Central Europe
Central European Business School Case Center
Central European Free Trade Agreement
central European time
central executive system
Central Experimental and Proving Establishment
central exponent
central extension
central extension field
central extension of a group
central extension of groups
central extremal
central factor
central factorial
central fiber
central field
central field approximation
central-field approximation
central field model
central-field model
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