الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Reliability, availability and maintenance have become more significant in recent years due to the large number of compertitors in services, growing needs and overall operating costs.
Markov models are some of the most powerfyl tools available to engineers and scientists for analyzing complex systems.
These performance measures include the system availability, mean time to system failure and many other measures.