DPR

例句：

1. 1. The DPR is a crucial part of the project.
   DPR是该项目的关键部分。
2. 2. The DPR has been revised several times since its introduction.
   自引入以来，DPR已经修订了几次。
3. 3. The DPR aims to improve efficiency and reduce costs.
   DPR旨在提高效率和降低成本。