thin section analysis

例句：

1. 1.The thin section analysis of the sample revealed a significant amount of impurities.
   样品的薄片分析显示了大量的杂质。
2. 2.In thin section analysis, the crystal structure of the material is examined in detail.
   在薄片分析中，详细地检查材料的晶体结构。
3. 3.The thin section analysis technique has become increasingly popular in recent years.
   近年来，薄片分析技术越来越受欢迎。