gas chromatographic technique

例句：

1. 1. The gas chromatographic technique is used to analyze complex mixtures of compounds.
   气相色谱技术用于分析复杂的化合物混合物。
2. 2. The gas chromatographic technique has revolutionized the way we study organic compounds.
   气相色谱技术已经彻底改变了我们研究有机化合物的方式。
3. 3. The gas chromatographic technique was developed by a team of scientists at the National Instituteof Standards and Technology.
   国家标准化和技术研究所的科学家团队开发了这项气相色谱技术。