- Open the .vsd file with Adobe Acrobat Pro software.
- In Adobe Acrobat Pro software, save the file with .eps format .
done.
done.
Firstly, download a MathType software. [version 6.5 or higher is ok]
Secondly, type the formula you need and set Transfer Setttings. See the picture 1.

[ Picture 1: transfer from mathtype to latex settings ]
Thirdly, copy the formula and paste it ino your latex. Remove the content which are framed by red square. Please see picture 2 and 3. 继续阅读
Done.
You can reference : http://www.liaoqiqi.com/blog/work/paper-making-technique/ to see my notes about how to make your paper good by using latex.
Good Luck!