單項(xiàng)選擇題

3G時(shí)代,電信移動(dòng)業(yè)務(wù)經(jīng)營(yíng)方向是()

A.話務(wù)量經(jīng)營(yíng)
B.流量經(jīng)營(yíng)
C.話務(wù)量和流量經(jīng)營(yíng)并重
D.數(shù)據(jù)經(jīng)營(yíng)

微信掃碼免費(fèi)搜題