基本解釋[機(jī)械工程]一次二階矩法英漢例句雙語(yǔ)例句Based on First-order Second-moment Method(FOSM), a formula for calculating t.在一次二階矩法的基礎(chǔ)上，推導(dǎo)了計(jì)算模糊隨機(jī)可靠度的具體公式。The level of environmental risk can be transformed into ordinary probabilistic environmental risk and computed using advanced first-order second-moment method.最后，將具有灰色概率形式的環(huán)境風(fēng)險(xiǎn)度轉(zhuǎn)化成一般的系統(tǒng)失效風(fēng)險(xiǎn)率，進(jìn)而用改進(jìn)一階二矩法進(jìn)行計(jì)算。In reliability analysis for tunnel lining structure, the simple first-order second-moment method combined with stochastic finite element method is usually employed, but its precision is low.雖然有很多高精度的結(jié)構(gòu)可靠度分析方法，但大多太復(fù)雜或計(jì)算時(shí)間長(zhǎng)，不適用于隧道結(jié)構(gòu)的可靠度計(jì)算。first-order second moment更多例句詞組短語(yǔ)短語(yǔ)Integral first -order second moment method 積分一次二階矩法First -order Second-moment Method 一次二階矩法first -order second-moment theory 一次二階矩理論mean value first -order second-moment method 均值一次二階矩方法advanced first -order second-moment method 改進(jìn)的一次二階矩法first-order second moment更多詞組專業(yè)釋義機(jī)械工程一次二階矩法