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本文介绍了在计算机上实现的十二种取码方法，对象是１０１９本中文图书，给出了重码率等统计数据。所用方法和所得结果，能为中文图书书名代码的标准化工作提供借鉴。
This article describes the 12 kinds of codec methods implemented on the computer, the object is 1019 Chinese books, given statistical data such as heavy bit rate. The methods and results obtained can provide reference for the standardization of Chinese book titles.