本压缩软件是利用huffman树的特点对文件进行重新编码，用较短的位表示出现频率高的字符，用较长的位表示出现频率低的字符，从而达到压缩的目的-The compression software is the use of the characteristics of huffman tree of the document re-encoding, with a short bit, said high-frequency characters, using a longer express th