random failure period

常見例句

The motor on the spot is in operation in the random failure period and therefore its failure rate is approximately a constant.
現(xiàn)場(chǎng)使用的電機(jī)基本運(yùn)行在偶然失效階段，因而其失效率近似為一常數(shù)。
Because some products show no failure in the random truncation test period, this paper uses the mean rank order method to calculate the empirical cumulative distribution function.
考慮隨機(jī)截尾試驗(yàn)中有些試驗(yàn)產(chǎn)品無(wú)故障數(shù)據(jù)出現(xiàn)，提出采用平均秩次法計(jì)算經(jīng)驗(yàn)分布函數(shù)。