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年間稼働率と許容停止時間の早見表(概算)

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いちいち計算するのは面倒だけれども暗記するものでもないと思うのでアンチョコ化

年間稼働率 許容停止時間(日) 許容停止時間(時間) 許容停止時間(分) 許容停止時間(秒)
90% 36.5 876 52,560 3,153,600
99% 3.65 87.6 5,256 315,360
99.9% - 8.7 522 31,320
99.99% - - 52 3,120
99.999% - - 5 300
99.9999% - - - 32
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