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<BODY>Dear all,<BR>Why the density map with coeffients |Fobs|-|Fcalc| show the
density only at half the height,<BR>and with coeffients 2|Fobs|-|Fcalc|
show the density at full
height?<BR>Thanks!<BR><BR><BR><BR> Breth <BR> dingding830106@sina.com
<BR> 2010-01-15 <BR></BODY></HTML>