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Public Switched Data Network

telecom. 公共交换数据网
public switched data network
telecom. 公用交换数据网
 English thesaurus
Public Switched Data Network
IT, abbr. PSDN (Telephony)
Public Switched Data Network
: 12 phrases in 6 subjects
Artificial intelligence1
Communications2
Computer networks1
Electronics2
Information technology3
Telecommunications3

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