A.用電信息采集系統(tǒng)B.費(fèi)控系統(tǒng)C.基礎(chǔ)數(shù)據(jù)平臺(tái)D.營(yíng)銷(xiāo)業(yè)務(wù)應(yīng)用系統(tǒng)
A.3B.5C.7D.10
A.20%B.30%C.50%D.70%