What does RR stand for?

What does RR mean?

RR	Receiving Record Business » Accounting
RR	Radio Ready Miscellaneous » Unclassified
RR	Reflexive Relation Medical » Physiology
RR	Radical Right Miscellaneous » Unclassified
RR	Racing Replica Community » Sports
RR	Radio and Records Community » Media
RR	Raymond Richard Miscellaneous » Names and Nicknames
RR	Reading Renaissance Community » Educational
RR	Rounds Remaining Governmental » Military
RR	Registration Room Academic & Science » Universities
RR	Reverse Rotation Miscellaneous » Unclassified
RR	Rejection Region Miscellaneous » Unclassified
RR	Reliable and Responsible Community » Educational
RR	Rat Racing Community » Sports
RR	Really Red Miscellaneous » Colors
RR	Resources and Records Business » General
RR	Regular Relation Community
RR	The Reykjanes Ridge Miscellaneous » Unclassified
RR	Reichsleiter Rosenberg Community » Famous
RR	Remittance Regulations Miscellaneous » Unclassified
RR	Rebel Rocket Governmental » Military
RR	Relevant Rank Governmental » Military
RR	Refit and Repair Governmental » Transportation
RR	Rugged Records Business » Firms
RR	Refit and Repair Governmental » Military