back-end DB processor

例句：

1. 1. The back-end DB processor is responsible for processing large amounts of data.
   后端数据库处理器负责处理大量数据。
2. 2. The company's new back-end DB processor has greatly improved its performance.
   该公司的新后端数据库处理器性能大大提高了。
3. 3. The back-end DB processor is a critical component in the data processing system.
   后端数据库处理器是数据处理系统中的关键组件。