|
|
| abbr. |
optical return loss |
| abbr., avia. |
optical receive unit; optical repeater unit |
| abbr., ed., scient. |
Oral Roberts University; Organized Research Unit |
| abbr., el. |
office regenerative unit; optical receiver unit; optical repeating unit; output register unit |
| abbr., mil., avia. |
operational research unit |
| abbr., O&G, sakh. |
Opportunities, Risks and Uncertainties |
| abbr., O&G, tengiz. |
Optimum Replaceable Unit (Yeldar Azanbayev) |
| abbr., scottish |
Operator Radio Unit |
| abbr., sport. |
Ontario Rugby Union |
| abbr., tradem. |
Off Road Unlimited; Orange and Rockland Utilities |
| comp. |
orbital replacement unit |
| mil. |
operational readiness unit |
| tech. |
on-line replacement unit; optical reference unit; optimal replaceable unit |
