What does SLOR stand for?

Oruro - Bolivia - ICAO location identifier (ICLI)

Saint Lucia Oriole - Common English name - American Ornithologists Union four-character bird identification - Scientific name: Icterus Laudabilis (IBP)

Simultaneous Line Over-Relaxation - Nuclear energy

Successive Line Overrelaxation (IAA)

Swept Local Oscillator Receiver (NG)