double-density encoding

例句：

1. 1. The new software uses a double-density encoding system to improve data security.
   新软件采用双密度编码系统来提高数据安全性。
2. 2. In the field of computer science, double-density encoding is a technique used to compress data.
   在计算机科学领域，双密度编码是一种用于压缩数据的技术。
3. 3. The researchers developed a double-density encoding algorithm that can efficiently handle large amounts of data.
   研究人员开发了一种双密度编码算法，可以高效地处理大量数据。