压缩率

例句：

1. 1. Thecompany's profit margin is 20%, which is a good compression rate.
   该公司的利润边际为20%，这是一个不错的压缩率。
2. 2. The engineer calculated the compressionrate of the material to ensure its strength.
   工程师计算了材料的压缩率，以确保其强度。
3. 3. The compression rate of the newsoftware has improved significantly.
   新软件的压缩率已经显著提高。