[原创]如何在autoCAD中使等高距2.5米转换为等高距20米？

<P ><FONT face=楷体_GB2312><FONT size=4>如题： 如何在autoCAD中使等高距<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="2.5" UnitName="米">2.5米</st1:chmetcnv>转换为等高距<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="20" UnitName="米">20米</st1:chmetcnv>？</FONT></FONT><BR><FONT face=楷体_GB2312><FONT size=4>数据类型是CAD的，如果用其他软件如MAPGIS或ARCGIS、MAPINFO怎样实现？？？</FONT></FONT></P>
<P ><v:shapetype> <v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path connecttype="rect" gradientshapeok="t" extrusionok="f"></v:path><lock aspectratio="t" v:ext="edit"></lock></v:shapetype><v:shape><v:imagedata></v:imagedata></v:shape></P>