DB2 V9.1 中提出了全新的行深度压缩（deep compression）的技术，以应对这种挑战。尽管深度压缩的主要目的是节省存储空间，但是使用它也可以大大节省磁盘 I/O 并提高缓冲池命中率。
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此式表明，选取适当的作用次数可以得到深度压缩。
This formula shows that deep squeezing can be achieved by suitably chosen K.
对 XML 的深度压缩改进的效果非常好，压缩率超过 65%，性能提高了 1.5 倍。
The enhancements to Deep Compression for XML have led to great results, with compression rates over 65 percent and performance acceleration of more than 1.5 times.
渤海湾西岸滩海地区沉积层的物理力学性质除受到随深度压缩固结的影响外，还取决于形成时的沉积环境。
The property of physical-mechanics about deposit of sea beach area of west coast of the Bohai bay is restricted by the influence of compress with depth, and depends on the deposit environment.
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