Observers from Earth can see two types of eclipses â eclipses of the Sun (solar eclipses), and eclipses of the Moon (lunar eclipses). These occur when the Sun, Earth and Moon align in a straight or almost straight configuration.
TRR may refer to: 1  China Bay Airport near Trincomalee, Sri Lanka. 2  Tamper-resistant receptacle, child-safe power receptacle required in new and renovated dwellings since the U.S. 2008 National Electrical Code.3  Target row refresh, a hardware feature of DDR4 used to prevent the row hammer effect from occurring. Tamper-resistant receptacle, child-safe power receptacle required in new and renovated dwellings since the U.S. 2008 National Electrical Code. 2  Target row refresh, a hardware feature of DDR4 used to prevent the row hammer effect from occurring.
TRR stands for Total Recordable Rate (OSHA). Suggest new definition. This definition appears somewhat frequently and is found in the following Acronym Finder categories: 1  Military and Government. 2  Science, medicine, engineering, etc. Retrieved October 7 2015 from http://www.acronymfinder.com/Total-Recordable-Rate-(OSHA)-(TRR).html. 2  APA style: TRR. (n.d.) Acronym Finder. ( 3 2015). 4  Retrieved October 7 2015 from http://www.acronymfinder.com/Total-Recordable-Rate-(OSHA)-(TRR).html.