single-channel tunable spectrometer

例句：

1. 1.The single-channel tunable spectrometer was used to analyze the chemical composition of the sample.
   单通道可调光谱仪被用来分析样品的化学成分。
2. 2. The single-channel tunable spectrometer was used to monitor the temperature changes in the environment.
   单通道可调光谱仪被用来监测环境中的温度变化。
3. 3. The single-channel tunable spectrometer was used to detect the presence of pollutants in the air.
   单通道可调光谱仪被用来检测空气中污染物的存在。