MRR is an acronym that may stand for:
- Mean reciprocal rank, a search quality measure in information retrieval
- Modulating retro-reflector, Free space optical communications technology
In the names of roads, Middle Ring Road:
- Kuala Lumpur Middle Ring Road 1 (Malaysia)
- Kuala Lumpur Middle Ring Road 2 (Malaysia)
- Penang Middle Ring Road (Malaysia)
- Middle Ring Road (Tianjin) (China)
- Birmingham Middle ring road (A4540) in England
Media and pop culture
Literature and humanities
- Monitoring and Reporting Regulation (EU Law)
- Multi Rolle Radio (military)
- José María Velasco Ibarra Airport (IATA code)
|This disambiguation page lists articles associated with the title MRR.
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