classification of finite simple groups

例句：

1. 1. The scientists classified thenew species into different groups.
   科学家们将新物种分成不同的组。
2. 2. The museum has avast collection of artifacts that canbe 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 have developed a classification systemfor the new drugs.
   研究人员已经为这些新药开发了一个分类系统。