extra-spectrum colo(u)r

例句：

1. 1.The new analytical method uses extra-spectrum colo(u)r todetect trace amounts of pollutants inwater samples.
   新分析方法使用超光谱色谱来检测水样中微量污染物。
2. 2. In this study, we used extra-spectrum colo(u)r to analyze the chemical composition of soilsamples.
   在这项研究中，我们使用超光谱色谱分析土壤样本的化学成分。
3. 3. Theextra-spectrum colo(u)r technology has greatly improved the accuracyand efficiency of environmental monitoring.
   超光谱色谱技术大大提高了环境监测的准确性和效率。