relative spectral energy distribution

例句：

1. 1. The relative spectral energy distribution of the solar spectrum is used to determine the composition of the sun's atmosphere.
   太阳光谱的相对光谱能量分布用于确定太阳大气的成分。
2. 2. The relative spectral energy distribution of the Earth's atmosphere is used to study the effects of atmospheric pollution on climate change.
   地球大气的相对光谱能量分布被用来研究大气污染对气候变化的影响。
3. 3. The relative spectral energy distribution of the Sun's spectrum is used to measure the amount of sunlight reaching the Earth's surface.
   太阳光谱的相对光谱能量分布被用来测量到达地球表面的阳光量。