What does OI stand for?
OI stands for "Optical Indicatrix"
How to abbreviate "Optical Indicatrix"?
"Optical Indicatrix" can be abbreviated as OI
What is the meaning of OI abbreviation?
The meaning of OI abbreviation is "Optical Indicatrix"
What does OI mean?
OI as abbreviation means "Optical Indicatrix"
