|
|
| abbr. |
Retirement Services Officer; railway sorting office; Reconnaissance & Survey Officer; Regional Security Officer |
| abbr., avia. |
reconnaissance systems officer; radio system operation; requirement schedule and ordering system; resident space object |
| abbr., BrE |
Railway Sub Office; roadhead supply officer |
| abbr., busin. |
Railroad Suboffice; Railway Suboffice |
| abbr., Canada |
Revised Statutes of Ontario |
| abbr., ed., scient. |
Registered Student Organization; Rochester Student Organization |
| abbr., el. |
reactive switch off; real-time and storage oscilloscope; remote system operation |
| abbr., IT |
Rapid Scan Operation |
| abbr., math., scient. |
Rectified Skew Orthomorphic |
| abbr., med. |
Radiation Safety Officer (muscle); Resident Surgical Officer (muscle); Right Superior Oblique (muscle); Right superior oblique |
| abbr., mil. |
Reconnaissance and Surveillance Operation; Reconnaissance Systems Officer; Regional Support Organization; Radar Set-On; reception, staging, and onward movement; regional security officer; remote split operations |
| abbr., mil., air.def. |
receiver, set on |
| abbr., mil., avia. |
radar systems operator |
| abbr., mus. |
Roanoke Symphony Orchestra; Richie Sambora and Orianthi (VLZ_58) |
| abbr., police |
Registered Sex Offender; Road Safety Officer |
| abbr., scottish |
Reconnaissance Systems Officer / Operator; Regimental Signal Officer (British Army) |
| abbr., shipb. |
Recognised Security Organisation (Anewtta) |
| abbr., tradem. |
Roger & Sherry Olsen Livestock |
| mil. |
radiological safety office; radiological safety officer; railhead supply officer; range safety officer; range support operations; reactive switch-off; recruiting staff officer; regimental signal officer; regimental special order; regimental supply officer; regional security office; runway supervisory officer |
| tech. |
radar source observation; radiation safety officer; radiosonde observation; reactor system outline |
