文件名称:RQP
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AVAILABILITY:
A measure of the degree to which an item is in an operable and committable state at the start of a mission when the mission is called for at an unknown (random) time.
MTTF = ΣTTF/n (Mean time to fail)
MTTR = ΣTTR/n (Mean time to repair)
MTBF = MTTF + MTTR (Mean time between failures)
Av = MTTF/(MTTF + MTTR) = MTTF/MTBF
A measure of the degree to which an item is in an operable and committable state at the start of a mission when the mission is called for at an unknown (random) time.
MTTF = ΣTTF/n (Mean time to fail)
MTTR = ΣTTR/n (Mean time to repair)
MTBF = MTTF + MTTR (Mean time between failures)
Av = MTTF/(MTTF + MTTR) = MTTF/MTBF
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下载文件列表
RQP\rqp-soft-s1.pdf
...\rqp-soft-s2.pdf
...\rqp-soft-s3.pdf
...\rqp-soft-s5.pdf