spectral glass

例句：

1. 1. Spectral analysis is a technique used to identify the different elements in a sample.
   光谱分析是一种用于识别样品中不同元素的技术。
2. 2. The spectral data collected from the satellite was used to map the Earth's surface.
   从卫星收集到的光谱数据被用来绘制地球表面地图。
3. 3. The research team conducted spectral studies on the chemical composition of the samples.
   研究小组对样本的化学成分进行了光谱研究。