基本解釋[機(jī)械工程]一次二階矩法英漢例句雙語(yǔ)例句A first order second moment formulation for systems fatigue reliability assessment of offshore structures is presented.本文提出了海洋平臺(tái)結(jié)構(gòu)系統(tǒng)疲勞可靠性分析的一階二次矩方法。Based on reliability theory, the first order second moment method ( JC method) is adopted to analyze and compute the fatigue reliability.基于可靠度理論，本文采用一次二階矩法（JC法）對(duì)疲勞裂紋擴(kuò)展可靠性進(jìn)行計(jì)算。The parameters of the model are fuzzily processed and the fuzzy risk can be evaluated by using the modified first order second moment method.通過(guò)對(duì)模型中的參數(shù)進(jìn)行模糊化處理，用改進(jìn)一次二階矩法計(jì)算了地下水過(guò)量開(kāi)采的模糊風(fēng)險(xiǎn)率。first order second moment更多例句詞組短語(yǔ)短語(yǔ)first -order second-moment theory 一次二階矩理論Integral first -order second moment method 積分一次二階矩法first order second moment theory 一次二階矩first order and second moment 一次二階矩First -order Second-moment Method 一次二階矩法first order second moment更多詞組專業(yè)釋義機(jī)械工程一次二階矩法