“光通维持率”的概念、定义、翻译、参考文献-科学参考

单词	光通维持率
释义	光通维持率 Encyclopedia 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。
随便看	projective axiom projective base projective binormal projective bundle projective character projective class projective class group projective classical group projective classification projective closure projective collineation projective compactification projective cone projective configuration projective conic projective connected space projective connection projective coordinate projective coordinates projective coordinate system projective correlation projective correspondence projective cover projective covering projective curvature

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