The article analyses the difficulty and theory of realizing the on-line upgrade, develops a set of system that can be used repeatedly, with practical reference value and realistic signification.
分析了在线升级的困难及实现原理，提出了一套可重复利用的实现在线升级的系统，具有实际参考价值和现实意义。
The study methods of this article also has good extension meaning and reference value, hence would have much theoretical study signification for related similar researches.
本文的研究方法对于类似的研究有良好的延展性和借鉴性，具有较大的理论研究价值。
These design ideas are valuable for popularization and signification for reference.
本系统的设计思想具有重要的推广价值和借鉴意义。
These design ideas are valuable for popularization and signification for reference.
本系统的设计思想具有重要的推广价值和借鉴意义。
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