Based on PDF file structure analysis, this article gives a proposal on how to recover the text content and file information, and introduces the application and effect of this proposal.
在分析PD F文件结构的基础上，提出了一套实现受损pdf的文本内容和文件信息修复的方案，并介绍了该技术的应用前景和效果。
This paper raised a method of pattern recognition, it can be used to the continuous speech recognition with reference, text understanding and data file analysis.
提出一种模式识别方法，它能有效地用于有监督的连续语音识别、文稿理解和数据文件分析。
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