It's difficult to answer your question without additional context. As far as I know, "MVR" does not have a widely-understood meaning.
Here's what Wikipedia suggests as possible interpretations...
http://en.wikipedia.org/wiki/MVR
3 Mart 2015
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Hâlâ cevap bulamadın mı?
Sorularını yaz ve ana dil konuşanlar sana yardım etsin!