ISDN
noun uk/ˌaɪ.es.diːˈen/ us/ˌaɪ.es.diːˈen/
综合业务数字网，“一线通”（Integrated Services Digital Network的缩写）
abbreviation for Integrated Services Digital Network: a system for sending voice, video, and information over phone wires very quickly
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。