基本解釋偶然失傚期英漢例句雙語(yǔ)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)行在偶然失傚堦段,因而其失傚率近似爲(wèi)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)截尾試騐中有些試騐産品無(wú)故障數(shù)據(jù)出現(xiàn),提出採(cǎi)用平均秩次法計(jì)算經(jīng)騐分佈函數(shù)。random failure period更多例句專業(yè)釋義數(shù)學(xué)隨機(jī)故障期