詞語：ring back
ring back是什麼意思
簡明英漢詞典
ring back
回復電話
英漢雙解計算機詞典
ring back
回鈴
In data communications, a procedure that allows a telephone to be used both for computer connections and normal voice calls. Computer connections require two calls. The first,which is usually only one ring, alerts the modem which will not answer, however, unless the ringing stops for some period, typically 30 seconds.
在數據通訊中，保證一部電話既可用於計算機連接，也可用於正常通話的過程。計算機的連 接通常需要兩次呼叫，第一次通常只振鈴一次，提醒調製解調器不要回答，除非振鈴停止了 一段時間，如30秒。參閱call back。
英漢航海大詞典
ring back
vt.b打回電話,再和...通電話
英漢化學大詞典
ring back
n.開模縮裂