classification of expenditure by organization unit

例句：

1. 1.The scientists classified the new species into different groups.
   科学家们将新物种分成不同的组。
2. 2.The museum has a vast collection of artifacts that can be classified by type and period.
   博物馆收藏了大量的文物，可以根据类型和时期进行分类。
3. 3. The researchers classified the data according to their statistical analysis.
   研究人员根据他们的统计分析将数据进行了分类。