spectral luminancefactor

例句：

1. 1.The spectral luminancefactor of the light source is crucial for the accuracy of the measurement.
   光源的光谱亮度因子对于测量的准确性至关重要。
2. 2. The spectral luminancefactor of the light source has been optimized to improve the efficiency of the measurement process.
   光源的光谱亮度因子已经优化以提高测量过程的效率。
3. 3. The spectral luminancefactor of the light source can be used to calculate the intensity of the light emitted by the source.
   光源的光谱亮度因子可以用来计算光源发射的光强度。