Since the system parameters faulty coverage ratio and maintenance ratio influence the system's reliability and security, we analyze them and find out they play an important role in the evaluation of fault-tolerant system 通過分析得出系統(tǒng)的故障覆蓋率與維修率在容錯(cuò)系統(tǒng)的評(píng)價(jià)過程中起到非常重要的作用。