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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。
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OB star
obstertrics-gynecology hospital(Maternity Hospital)
obstetrical procedure in female livestock
obstetric and gynecologic clamp
obstetric and gynecologic hook & needle
obstetric and gynecologic knife
obstetric and gynecologic scissors
obstetric and gynecologic surgical operation instruments
obstetric and gynecologic tweezer & clip
obstetric apparatus for domestic animals
Obstetrician
obstetrician's hand
obstetric ultrasonography
obstinate arthralgia
obstruction
obstruction class
obstruction cocycle
obstruction LED
obstruction of evidence
obstruction of intestines
obstruction of the oesophagus
obstruction of urinary tract
obstruction point
obstruction set
obstruction theory
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