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public switched telephone network
el.	公共交换电话网
IT	公用交换电话网
multimed.	公众电话交换网
nautic., tech.	移动网与公用电话交换网
space	公用电话交换网
tech.	公众交换电话网
Public Switched Telephone Network
commun., railw.	市话网
public switch telephone network
avia.	〔客〕公共转换电话网
public switched telephone network PSTN
dat.proc.	公共交换网简写为PSN; 公共电话交换网简写为PSTN
public switch telephone network
IT	公共交换电话网
English thesaurus
public switched telephone network
abbr., telecom.	public switched phone network (ssn)
IT	A communications system that sets up a dedicated channel or circuit between two points for the duration of the transmission.
Public Switched Telephone Network
abbr., file.ext.	PSTN
IT, abbr.	PSTN (IN)
Public Switch Telephone Network
abbr., comp., net.	PTSN

public switched telephone network: 2 phrases in 2 subjects

Computer networks	1
Electronics	1