beam spectrometer

例句：

1. 1.The beam spectrometer was used to analyze the chemical composition of the sample.
   光束光谱仪被用来分析样品的化学成分。
2. 2. The beam spectrometer was used to detect the presence of trace elements in the sample.
   光束光谱仪被用来检测样品中微量元素的出现。
3. 3. The beam spectrometer was used to measure the intensity of the light emitted by the sample.
   光束光谱仪被用来测量样品发射的光强度。