常見例句雙語例句A new method of estimating concrete strength representative value by means of a confidence lower limit is presented in this paper , and one-side tolerance factor expression is given.提出了用置信下限作為混凝土檢驗(yàn)批強(qiáng)度標(biāo)志值的估計量的新方法，給出了單側(cè)容限系數(shù)的表達(dá)式。 返回 tolerance lower limit