dual wave length spectrophotometry

例句：

1. 1. Theresearchers used dual wavelength spectrophotometry to analyze the chemical composition of the sample.
   研究人员使用双波长分光光度法分析样本的化学成分。
2. 2. This technique is particularly useful for analyzing complex samples with multiple components.
   这种方法特别适用于分析含有多种成分的复杂样品。
3. 3. The results obtained from this method are highly accurate and reliable, making it an essential tool in scientific research.
   这种方法获得的结果高度准确可靠，是科学研究中不可或缺的工具。