quantitative spectral classification

例句：

1. 1.This method is widely used in quantitative spectral classification.
   这种方法在定量光谱分类中被广泛使用。
2. 2.The researcher developed a new algorithm for quantitative spectral classification.
   研究人员开发了一种新的算法，用于定量光谱分类。
3. 3.Quantitative spectral classification has become an essential tool for mineral exploration.
   定量光谱分类已成为矿物勘探的一个必不可少的工具。