1. Spectrochemistry is a branch of chemistry that focuses on analyzing the interaction between matter and electromagnetic radiation.
光谱化学是化学的一个分支，专注于分析物质与电磁辐射之间的相互作用。

2. Spectrochemistry plays an important role in characterizing and identifying chemical compounds.
光谱化学在表征和鉴定化合物方面起着重要作用。