automatic document retrieval system

例句：

1. 1. The automatic document retrieval system is a crucial tool for researchers.
   自动文档检索系统是研究人员的关键工具。
2. 2. The new system has greatly improved the efficiency of document retrieval.
   新系统大大提高了文档检索的效率。
3. 3. The automatic document retrieval system is widely used in libraries and archives.
   自动文档检索系统在图书馆和档案馆中得到了广泛应用。