ce="±¼¸²"> {p1}</font>          <font face="±¼¸²">[Pick start point]</font>
<font face="Courier New">  pick end point:</font><font face="±¼¸²"> {p2}</font>            <font face="±¼¸²">[Pick end point]</font>
&nbsp;
  <img src="wave2.gif" align="middle" width="205" height="202" border="0" vspace="3" hspace="3"> <br>   </pre>
<p>&nbsp;</p>
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