CCD spectrograph

例句：

1. 1.The CCD spectrograph was used to analyze the chemical composition of the sample.
   电荷耦合器件光谱仪被用来分析样品的化学成分。
2. 2. The CCD spectrograph is a powerful tool for studying the properties of materials.
   电荷耦合器件光谱仪是研究材料性质的一种强大工具。
3. 3.The CCD spectrograph has made it possible to detect minute changes in the spectrum.
   电荷耦合器件光谱仪使得能够检测到光谱中的微小变化成为可能。