Listing 3 shows a simple example of loading a DXF file and reading only lines from it.

清单3显示了一个加载d XF文件并从此文件只读取线的简单例子。

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Then DXF file can be transformed to XML file, thus the data mining for DXF files becomes for XML files.

将DXF图形文件转换成xml文件，于是对DXF文件的数据挖掘变成了对XML文件的数据挖掘。

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First of all, the structure and characteristics of DXF file is analyzed in detail. The DXF file is used as the interface format of the system.

首先，本文详细分析了DXF格式文件的结构和特点，并将该格式文件作为系统的输入格式文件。

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