A. broadcasting B. point-to-point C. dial-up D. Internet
A. browser/server B. client/customer C. entity/relationship D. client/server
A.機房的吊頂?shù)纳稀⑾录盎顒拥匕逑?,均?yīng)設(shè)置探測器和噴嘴 B.設(shè)有固定滅火系統(tǒng)時,只采用感溫探測器 C.主機房出口應(yīng)設(shè)置向疏散方向開啟且能自動關(guān)閉的門 D.機房內(nèi)存放廢棄物應(yīng)采用有防火蓋的金屬容器