branching n. 1.分支;分流;分科;支線;支流;支脈。 2.【物理學(xué)】分支放射;【化學(xué)】支化(作用);【電學(xué)】叉形接頭,插銷頭;【計(jì)算機(jī)】轉(zhuǎn)移。 adj. 長(zhǎng)枝的;分岔的。 branching program 線路圖。
Development of unattended private automatic branch exchanges . two - line monophones introduced 開(kāi)發(fā)無(wú)人自動(dòng)小交換機(jī)。二線制收發(fā)話機(jī)問(wèn)世。
Generic specification for stored program control digital private automatic branch telephone exchange system 程控?cái)?shù)字用戶自動(dòng)電話交換機(jī)通用技術(shù)條件
General specification for stored program control analogue private automatic branch telephone exchange system 程控模擬用戶自動(dòng)電話交換機(jī)通用技術(shù)條件
Rapid expansion in the use of private automatic branch exchanges . development of remote alarm equipment for unattended exchanges 用戶自動(dòng)交換機(jī)迅速普及。開(kāi)發(fā)無(wú)人交換機(jī)遠(yuǎn)端報(bào)警設(shè)備。
Public automatic branching exchange ( pabx ) a telephone system installed in atcx for efficient communications between operational positions in the atcx and external parties through the public service telephone network . microwave link system ( mls ) 這套在航空交通管制大樓內(nèi)安裝的電話系統(tǒng),可為管制崗位提供更有效率的內(nèi)部通訊,同時(shí),透過(guò)公共電話網(wǎng)絡(luò)服務(wù),也可對(duì)外作快捷的通話。