A.數(shù)據(jù)接收服務(wù)器負(fù)責(zé)接收井場數(shù)據(jù),并自動(dòng)人庫 B.可同時(shí)接收多井?dāng)?shù)據(jù) C.具有無斷點(diǎn)續(xù)傳功能 D.提供實(shí)時(shí)數(shù)據(jù)服務(wù),將井場傳送的數(shù)據(jù)及時(shí)發(fā)送給需要的客戶
A.GPRS B.CDMA C.ADSL D.衛(wèi)星傳輸