救命！这段话代表什么？

<P  align=left><U>Local Grid System<p></p></U></P>
<P  align=left><B>Name: </B>DU LI</P>
<P  align=left><B>Transformation Parameters:</B></P>
<P  align=left><STRONG>        </STRONG>E Translation  = <st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="True" HasSpace="False" SourceValue="540615.068" UnitName="m">-540615.068m</st1:chmetcnv><p></p></P>
<P  align=left>        N Translation  = <st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="True" HasSpace="False" SourceValue="3654902.035" UnitName="m">-3654902.035m</st1:chmetcnv><p></p></P>
<P  align=left>        Z Rotation     =  -13115.996000"<p></p></P>
<P  align=left>        Scale Diff. (ppm) =    -135.726000<p></p></P>
<P  align=left>        Centroid Easting  =  <st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="640946.035" UnitName="m">640946.035m</st1:chmetcnv><p></p></P>
<P  align=left>        Centroid Northing = <st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="3755414.197" UnitName="m">3755414.197m</st1:chmetcnv><p></p></P>
<P  align=left><p> </p></P>
<P  align=left>      Note:  Parameters define transformation from BASE GRID SYSTEM to LOCAL GRID SYSTEM<p></p></P>

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