radix scale radix system hexadecimal number system hexadecimal numeration system
hexadecimal system command system executive system operating system
TIROS operational system basic operating system VMOS tape-operating system
tape operating system disc-based operating system on-disk operating system disk operating system
BDOS basic disk-operating system diskette operating system FDOS FOS
network operating system online operating system visual operating system oxygen-ozone system
process control system process-control system terrain avoidance system grain handling system
wide area system step-by-step system footway network footway system
pedestrian network walking system walkway system pedestrian system
convict system penitentiary system polyphase system symetrical polyphase system
balanced polyphase system carrier system hand-move portable system budgetary system
budgeting system budget system primary lookout system progressive system
self-service bicycle system self-service bike system public bike system root system
collecting system interactive display regulatory scheme renin-angiotensin-aldosterone system
tape-resident system tape resident system apparatus respiratorius breathing apparatus
respiratory apparatus systema respiratorium respiratory system robotic system
robot system sigma coordinate system tone squelch system silvipastoralism
silvipasture silvopastoral system silvopasture silvopastoralism
two-way simplex two-way simplex system simplified sewerage simultaneous system
synchronous system active solar heater active system active solar system
Algunos ejemplos : Resolución judicial   Refugiados   Escuela primaria   Agricultura ecológica   Tratamiento del cáncer