spectral reflection characteristic

例句：

1. 1. The spectral reflection characteristic of the material is crucial for its application in optical devices.
   该材料的光谱反射特性对于其在光学设备中的应用至关重要。
2. 2. The spectral reflection characteristic of the surface was measured to determine its reflectivity.
   对表面进行了光谱反射特性的测量，以确定其反射率。
3. 3. The spectral reflection characteristic of the paint was analyzed to optimize its performance.
   分析了油漆的光谱反射特性，以优化其性能。