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The deflation algorithm used by gzip (also zip and zlib) is an open-source, patent-free variation of the LZ77 (Lempel-Ziv 1977) algorithm.

gzip(也称zip或zlib)所使用的算法是开源、无专利的LZ77 (Lempel - Ziv 1977)算法的变体。

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The gzip compressor is based on the DEFLATE lossless data compression algorithm, which USES a combination of the LZ77 algorithm and Huffman coding.

gzip压缩器基于deflate无损数据压缩算法，它使用LZ77算法和Huffman编码的组合。

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