classification by dichotomy

例句：

1. 1. The scientistsclassified the samples into different categories.
   科学家们将样本分成了不同的类别。
2. 2. Thenew software allows for easyclassification of documents.
   这款新软件可以轻松地对文档进行分类。
3. 3. Theresearchers are trying to classify the speciesbased on their genetic makeup.
   研究人员正试图根据它们的遗传构成来分类这些物种。