| 词汇 | isdn |
| 释义 | ISDN noun uk /ˌaɪ.es.diːˈen/ us /ˌaɪ.es.diːˈen/ abbreviation for Integrated Services Digital Network: a system for sending voice, video, and information over phone wires very quickly综合业务数字网，“一线通”（Integrated Services Digital Network的缩写） Communications - by telephone 0800 number 3G 4G 5G access code aeroplane mode airplane mode area code buzz caller ID Freephone nomophobia patch someone through phone in phone mast pick reverse speakerphone telephone unlisted ISDN | Business EnglishISDN noun[ C or U ] ukus IT, COMMUNICATIONS abbreviation for Integrated Services Digital Network: a system for sending sound, video and other data at high speed using telephone wires: Teleconferencing via ISDN is cheaper than flying executives around the world for monthly meetings. If you need three ISDNs, you should consider investing in a satellite linkup. |
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