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| 3 | <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> |
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| 4 | <head> |
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| 5 | <title>norme.pro (SAXO Documentation Assistant)</title> |
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| 6 | </head> |
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| 46 | <tr> |
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| 47 | <td width="10%"> |
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| 48 | <a href="nlecserie.html"><img src="./../prev.gif" border="0" alt="Previous"></a></td> |
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| 49 | <td width="80%" align="center" valign="center"> |
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| 50 | <font size=-1><i>SAXO Documentation Assistant</i>: <a href="./../home.html">Overview</a></font></td> |
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| 51 | <td width="10%" align="right"> |
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| 52 | <a href="strrepl.html"><img src="./../next.gif" border="0" alt="Next"></a></td> |
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| 53 | </tr> |
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| 54 | </table> |
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| 55 | |
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| 56 | |
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| 57 | <h1><font size="-2">Obsolete/</font></h1> |
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| 58 | <h2>norme.pro</h2> |
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| 59 | |
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| 60 | <dl> |
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| 61 | </dl> |
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| 62 | |
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| 63 | |
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| 64 | calculate the norm of vectors field located on Arakawa C-grid |
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| 65 | |
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| 66 | |
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| 67 | |
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| 68 | |
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| 69 | |
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| 70 | <a name="#_norme"></a> |
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| 71 | |
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| 72 | <h2>norme <font size="-1" color="#FF6633">obsolete</font> </h2> |
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| 73 | |
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| 74 | <p><font face="Courier"><i>result = </i>norme(<i><a href="#_norme_keyword_composanteu">composanteu</a>, <a href="#_norme_keyword_composantev">composantev</a></i>, <a href="#_norme_keyword_BOXZOOM">BOXZOOM</a>=<i>BOXZOOM</i>, <a href="#_norme_keyword_DIREC">DIREC</a>=<i>DIREC</i>, <a href="#_norme_keyword__EXTRA">_EXTRA</a>=<i>_EXTRA</i>)</font></p> |
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| 75 | |
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| 76 | |
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| 77 | |
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| 78 | |
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| 79 | <h3>Return value</h3> |
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| 80 | A 2D (xy), 3D (xyz or yt), 4D (xyzt) Array |
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| 81 | |
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| 82 | |
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| 83 | |
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| 84 | <h3>Parameters</h3> |
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| 85 | |
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| 86 | |
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| 87 | <a name="#_norme_keyword_composanteu"></a> |
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| 88 | <h4>composanteu |
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| 89 | <font size="-1" color="#006633">in</font> |
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| 90 | |
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| 91 | |
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| 92 | <font size="-1" color="#006633">required</font> |
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| 93 | |
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| 94 | |
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| 95 | |
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| 96 | |
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| 97 | </h4> |
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| 98 | |
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| 99 | |
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| 100 | Matrix representing the zonal coordinates (at U/V point) of a field of vectors |
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| 101 | A 2D (xy), 3D (xyz or yt), 4D (xyzt) or a structure readable by |
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| 102 | <a href="..//ToBeReviewed/LECTURE/litchamp.html">litchamp</a> and containing a 2D (xy), 3D (xyz or yt), 4D (xyzt) array. |
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| 103 | Note that the dimension of the array must suit the domain dimension. |
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| 104 | |
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| 105 | |
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| 106 | |
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| 107 | <a name="#_norme_keyword_composantev"></a> |
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| 108 | <h4>composantev |
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| 109 | <font size="-1" color="#006633">in</font> |
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| 110 | |
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| 111 | |
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| 112 | <font size="-1" color="#006633">required</font> |
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| 113 | |
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| 114 | |
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| 115 | |
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| 116 | |
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| 117 | </h4> |
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| 118 | |
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| 119 | |
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| 120 | Matrix representing the meridional coordinates (at V/U point) of a field of vectors |
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| 121 | A 2D (xy), 3D (xyz or yt), 4D (xyzt) or a structure readable by |
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| 122 | <a href="..//ToBeReviewed/LECTURE/litchamp.html">litchamp</a> and containing a 2D (xy), 3D (xyz or yt), 4D (xyzt) array. |
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| 123 | Note that the dimension of the array must suit the domain dimension. |
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| 124 | |
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| 125 | |
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| 126 | |
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| 127 | |
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| 128 | |
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| 129 | <h3>Keywords</h3> |
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| 130 | |
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| 131 | |
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| 132 | <a name="#_norme_keyword_BOXZOOM"></a> |
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| 133 | <h4>BOXZOOM |
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| 134 | |
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| 135 | |
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| 136 | |
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| 137 | |
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| 140 | |
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| 141 | |
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| 142 | </h4> |
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| 143 | |
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| 144 | |
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| 145 | boxzoom on which do the average (by default the domain selected |
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| 146 | by the last <a href="..//ToBeReviewed/GRILLE/domdef.html">domdef</a> done) |
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| 147 | |
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| 148 | |
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| 149 | <a name="#_norme_keyword_DIREC"></a> |
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| 150 | <h4>DIREC |
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| 151 | |
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| 152 | |
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| 153 | |
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| 155 | |
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| 157 | |
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| 158 | |
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| 159 | </h4> |
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| 160 | |
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| 161 | |
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| 162 | 't' 'x' 'y' 'z' 'xys' 'xz' 'yz' 'xyz' 'xt' 'yt' 'zt' 'xyt' |
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| 163 | 'xzt' 'yzt' 'xyzt' Direction on which do averages |
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| 164 | |
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| 165 | |
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| 166 | <a name="#_norme_keyword__EXTRA"></a> |
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| 167 | <h4>_EXTRA |
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| 168 | |
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| 174 | |
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| 175 | |
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| 176 | </h4> |
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| 177 | |
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| 179 | |
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| 181 | |
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| 182 | <h3>Examples</h3><pre> |
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| 183 | To calculate the average of the norme of streams on all the domain |
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| 184 | between 0 and 50: |
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| 185 | IDL> res=norme(un,vn,boxzoom=[0,50],dir='xyz') |
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| 186 | |
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| 187 | </pre><h3>Version history</h3> |
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| 188 | |
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| 189 | <h4>Version</h4> |
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[338] | 190 | $Id: norme.pro 327 2007-12-13 16:22:35Z pinsard $ |
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[321] | 191 | |
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| 192 | <h4>History</h4> |
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| 193 | 9/6/1999 Sebastien Masson (smasson@lodyc.jussieu.fr) |
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| 194 | December 2007: Sebastien Masson, move to obsolete |
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| 195 | |
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| 196 | |
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| 197 | |
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| 198 | |
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| 199 | <h3>Known issues</h3> |
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| 200 | <h4>Obsolete</h4> |
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| 201 | |
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| 202 | |
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| 203 | |
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| 204 | <h4>Restrictions</h4> |
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| 205 | The norm is calculated on points T. To do this calculation, we average |
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| 206 | field U and V on points T before calculate the norme. At the edge of |
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| 207 | coast and of domain, we can not calculate fields U and V at points T, |
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| 208 | that is why these points are at value !values.f_nan. |
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| 209 | |
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| 210 | When we calculate on a reduce geographic domain, field U and V have not |
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| 211 | necessarily the same number of point. In this case, we recut U and V to |
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| 212 | keep only common points. We profit of this to redo a <a href="..//ToBeReviewed/GRILLE/domdef.html">domdef</a> which redefine |
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| 213 | a geographic domain on which fields U and V are extracted on same points |
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| 214 | |
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| 215 | To know what type of array we work with, we test its size and dates |
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| 216 | gave by time[0] and time[jpt-1] to know if thee is a temporal dimension. |
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| 217 | Before to start norme, make sure that time and jpt are defined how |
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| 218 | they have to! |
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| 219 | |
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| 220 | |
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| 221 | <h3>Other attributes</h3> |
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| 222 | |
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| 223 | |
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| 224 | <h4>Uses routines</h4> |
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| 225 | common.pro |
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| 231 | <font size="-3"><p> </p></font> |
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| 232 | <hr size="1" color="#CCCCCC"/> |
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| 237 | <p><font color="gray" size="-3"> Produced by IDLdoc 2.0.</font></p> |
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| 238 | |
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| 239 | </body> |
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| 240 | </html> |
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