[1] geotools-2.7.x/sample_gpx_file_02.gpx at master · boundlessgeo/geotools-2.7.x ( 版) <https://github.com/boundlessgeo/geotools-2.7.x/blob/master/modules/unsupported/gpx2/test/org/geotools/gpx2/resources/sample_gpx_file_02.gpx>
<trk>
<name>28-OCT-08</name>
<type>GPS Tracklog</type>
<extensions>
<label xmlns="http://www.topografix.com/GPX/gpx_overlay/0/3">
<label_text>28-OCT-08</label_text>
</label>
</extensions>
[2] geotools-2.7.x/sample_gpx_file_01.gpx at master · boundlessgeo/geotools-2.7.x ( 版) <https://github.com/boundlessgeo/geotools-2.7.x/blob/master/modules/unsupported/gpx2/test/org/geotools/gpx2/resources/sample_gpx_file_01.gpx>
<extensions>
<label xmlns="http://www.topografix.com/GPX/gpx_overlay/0/3">
<label_text>040</label_text>
</label>
</extensions>
</wpt>