Classified Materia Medica

例句：

1. 1. The scientists classified the samples according to their chemical properties.
   科学家们根据它们的化学性质对样本进行了分类。
2. 2.The museum has a vast collection of artifacts that can be classified into several categories.
   博物馆收藏了大量的文物，可以按几个类别进行分类。
3. 3. The researchers classified the data into different groups based on their statistical analysis.
   研究人员根据他们的统计分析将数据分为不同的组别。