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dial-back ['daɪəlbæk]
信息技术	다이얼 백Dial-back
英语 词库
dial-back ['daɪəlbæk]
信息技术	Used as a control over dial-up telecommunications lines. The telecommunications link established through dial-up into the computer from a remote location is interrupted so the computer can dial back to the caller. The link is permitted only if the caller is calling from a valid phone number or telecommunications channel.