What does OPR stand for?
OPR stands for "out-of-plane region"
How to abbreviate "out-of-plane region"?
"out-of-plane region" can be abbreviated as OPR
What is the meaning of OPR abbreviation?
The meaning of OPR abbreviation is "out-of-plane region"
What does OPR mean?
OPR as abbreviation means "out-of-plane region"
