Seya concave-grating monochromator

例句：

1. 1. The Seya concave-grating monochromator is used in the spectral analysis of organic compounds.
   Seya凹面反射单色仪用于有机化合物的光谱分析。
2. 2.The monochromator was designed to provide a high-resolution spectrum for the study of complex molecules.
   该单色仪旨在提供高分辨率谱图，以研究复杂分子。
3. 3.The reflective monochromator is essential for accurate measurements in the field of spectroscopy.
   在光谱学领域，反射单色仪对于精确测量至关重要。