光度计是专门用于测量发射，反射或透射光的光通量，亮度，照度或发光强度等。
Photometers are specifically designed to measure emitted, reflected or transmitted light in photometric terms of luminous flux, luminance, illuminance or luminous intensity.
分析了大功率白色发光二极管的发光强度（即光强）、光通量和色坐标与测量位置的关系，提出了解决的方法。
The uncertainty evaluation and data processing methods for the CCPR key comparisons of luminous intensity and luminous flux unit are introduced.
请以光通量为亮度标准，发光强度仅供参考。
Please take Luminous Flux as standard parameter, Luminous Intensity is only for reference.
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