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。
Firstly, ALE system's base content is introduced, then an analysis of ALE system's structure and design is put forward, and then 8cpfsk modulation theory and error control technique are discussed.
本文首先介绍了ALE协议的基本内容,分析了ALE系统的结构和设计思路,然后对8cpfsk信号的调制解调技术、差错控制技术进行了理论研究。
The content of paper includes two parts: the noise analysis of hydraulic axial piston pump and improved design of structure.
设计主要有两个部分的内容:液压轴向柱塞泵的噪声分析和结构的改进。
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