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。

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

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gnuplot把原始表格数据转换为图形文件。

Gnuplot converts raw tabular data into a graphic file image.

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此图形文件可能损坏，无法转换。

This graphics file may be damaged and cannot be converted.

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