For sources with memory, we must first remove the correlation between pixels, so as to achieve compression efficiency.

对于有记忆信源来说，首先要去除像素间的相关性，从而达到压缩编码的效率。

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DB2 rows cannot span pages, and you may not achieve enough compression to fit more than one row on a page.

在DB 2中，行不能跨页，您可能无法实现足够的压缩来使一页可以容纳多行。

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The main focus of this group is to achieve the highest compression ratio.

这类压缩器主要侧重于实现最高的压缩比。

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Through sampling and experimentation, Girl Talk is able to achieve a compression of cultural time that makes the music a living distillation of pop.

FORBES: Girl Talk's Gregg Gillis On Copyright, Curation and Making Mashups Rhyme