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.
Polymyalgia rheumatica (PMR) and temporal arteritis (TA) are companion systemic inflammatory disorders that occur in older patients (mean age, 70 years) and are diagnosed on clinical grounds. Both the ESR and the CRP are acute-phase reactants and commonly reflect the state of the immune and inflammatory response. However, some patients may be unable to mount an acute-phase response with regard to tests but surely have a disorder that demands treatment.