單項(xiàng)選擇題隨著項(xiàng)目的進(jìn)展,項(xiàng)目團(tuán)隊(duì)可以根據(jù)項(xiàng)目績(jī)效來(lái)預(yù)測(cè)完工估算EAC,哪種估算方法更加準(zhǔn)確:()

A.自下而上的ETC
B.按預(yù)算單價(jià)的ETC
C.按累計(jì)CPI進(jìn)行的ETC
D.按關(guān)鍵比率的ETC


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