width="30%">Command option</th> <th>Meaning</th></tr>
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              <td id="ff"><code><strong>-ff</strong></code></td> 
              <td align="left"> When a .msh file appears, format applied is FreeFem++ MSH format; if absent, format applied is ANSYS MSH format.</td>
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              <td id="gm"><code><strong>-gm</strong></code></td> 
              <td align="left">When a .msh file appears, format applied is Gmsh MSH ASC