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                        <DIV><FONT size=2><FONT 
                        face=宋体>Nancy,</FONT></FONT></DIV>
                        <DIV><FONT size=2></FONT>&nbsp;</DIV>
                        <DIV><FONT size=2>&nbsp;&nbsp;&nbsp; What kind of 
                        machine do you use for gromacs calculation? I use linux 
                        cluster before to run gromacs, it often encouters 
                        problem like this, but when I run the same job on 
                        origin&nbsp;workstation, it works&nbsp;quite well. 
                        </FONT></DIV>
                        <DIV>&nbsp;</DIV>
                        <DIV><FONT size=2></FONT><FONT face=宋体><FONT 
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                        size=3>Linda</FONT><BR></FONT><FONT 
                        face=宋体>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></FONT><FONT 
                        face=宋体><FONT size=2> 
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