Encoding 如何从XML中解码曲线数据字符串

我有一个Thromed肺活量测量文件，每个文件都有曲线数据，这些数据通常表示为一系列数值（用空格、逗号、分号等分隔）。但这次我无法解码这个字符串，它是十六进制代码，但在从十六进制解码后我卡住了。下一步该怎么办？字符串位于“blob”标记内

1.
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<!--Thormed Software generated XML file!-->    
<Table name="FVC_CURVE_DATA">
<Field name="ID" type="integer">1</Field>
<Field lengthInBytes="2856" name="DATA" 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<Field name="VERSION" type="integer">1</Field>
<Field name="DATA_SIZE_IN_BYTES" type="integer">2856</Field>
<Field name="CRC1" type="integer">244</Field>
<Field name="CRC2" type="integer">136</Field>
<Field name="SAMPLING_TIME_SEC" type="single">0.010000</Field>

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