spectral line receiver

例句：

1. 1. The spectrometer is used to analyze the chemical composition of samples.
   分光仪用于分析样品的化学成分。
2. 2.The spectral line receiver was designed to detect the presence of rare elements in the sample.
   光谱线接收器被设计用来检测样本中稀有元素的出现。
3. 3. The spectral line receiver was used to measure the intensity of the light spectrum.
   光谱线接收器被用来测量光谱的强度。