| Subject | English | Spanish |
| IT | Simultaneous Interface Operation | Operación con interfaz simultáneo |
| commun. | simultaneous operation | funcionamiento simultáneo |
| IT, dat.proc. | simultaneous operation | operación simultánea |
| comp., MS | simultaneous operations | operaciones simultáneas (A type of operations network in which multiple operations take place at the same time and must be completed before moving on to the next operation) |
| commun., IT | Simultaneous Peripheral Operation On Line | Funcionamiento simultáneo de periféricos en línea |
| IT | simultaneous peripheral operations on line | operaciones periféricas simultáneas |
| IT, engl. | simultaneous peripheral operations on line | spool |
| transp., avia. | Study Group on Simultaneous Operations on Parallel or Near-parallel Instrument Runways | Grupo de estudio sobre operaciones simultáneas en pistas de vuelo por instrumentos paralelas o casi paralelas |