A.技術(shù)選擇問(wèn)題 B.經(jīng)濟(jì)評(píng)價(jià)問(wèn)題 C.風(fēng)險(xiǎn)評(píng)估問(wèn)題 D.技術(shù)可行性問(wèn)題
A.15 B.13.92 C.14.29 D.16
A.0.3-0.5 B.0.6-0.7 C.0.8 D.0.6