关于ISDN的百科

• B-ISDN造句怎么写

• "TheNIIwillbecomposedofthefollowingfourparts:aninformationhighway(anintelligentB-ISDNnetwork);informationappliances(telephones,computers,faxmachines,TVsets,etc.);""ThefoundationofNIIPlanisafullintelligentB-ISDNnetwork,whichwillevolvethroughappropr...
• 2022-06-1111994