file record compaction

例句：

1. 1.The company has implemented a new file record compaction system to improve efficiency.
   该公司已实施新的文件记录压缩系统以提高效率。
2. 2.The data was compressed using the file record compaction technique.
   数据使用了文件记录压缩技术进行了压缩。
3. 3. The engineer used file record compaction to reduce the size of the project report.
   工程师使用文件记录压缩来减小项目报告的大小。