Dia is a program used to draw in a variety of different graphs Linux. It can start from where you are unable to complete writing instruments, providing a variety of different tasks all important forms and graphics, can replace the MS Visio, the latest version of the test is dia 0.97, author with his both draw ER diagrams , UML diagram or network topology is very easy to use.
HD picture capture system: http://blog.sina.com.cn/s/blog_560c5a9c0100vggv.html
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