classification of income by fund

例句：

1. 1.The scientists classified the new species into differentgroups.
   科学家们将新物种分成不同的组。
2. 2.The company classifies its products according totheir features.
   该公司根据产品的特点进行分类。
3. 3.The classifier was designed to help peoplecategorize objects based on their physicalcharacteristics.
   分类器旨在帮助人们根据物体的物理特性进行分类。