On this foundation have discussed the cool importance and feasibility of mountainous region of square document database construction.

在此基础之上，论述了凉山地方文献数据库建设的重要性与可行性。

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Speed up document construction. Often the process of retrieving a document from somewhere external (database, filesystem, crawled from a Web site, etc.) is very time consuming.

在通常的情况下，文档的数据来源可能是外部(比如数据库，文件系统，蜘蛛从网站上的抓取等)，这些通常都比较耗时，尽量优化获取它们的性能。

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This paper introduces the construction background of China's Modern Document Picture Database, its development process, current progress and evolution foreground.

论文介绍了《中国近代文献图像数据库》的建设背景、研制过程、目前进展及其发展前景。

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