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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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osculating figure
osculating helix
osculating interpolation
osculating orbit
osculating orbital elements
osculating parabola
osculating paraboloid
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osculation
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osculation process
osculatory interpolation
osculum
OS detection
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