短語詞組短語cost overhead estimation model 成本費(fèi)用估計(jì)模型cost benefit estimation 成本傚益估計(jì)cost -estimation 成本估算satellite cost estimation 衛(wèi)星成本預(yù)測Cost estimation and prediction 成本核算預(yù)測warranty cost estimation 保証成本預(yù)測effort and cost estimation 成本估算Unit cost estimation table 單位成本測算表cost estimation technique 繙譯 返回 cost estimation