A.Structure of the system (nature and arrangement of components)
B.Function of the system (role and output of components)
C.Socio-economic seals and management levels of the system
D.All of the above
A.Structure of the system (nature and arrangement of components)
B.Function of the system (role and output of components)
C.Socio-economic seals and management levels of the system
D.All of the above