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unstructured supplementary service data
el.	非结构化补充业务数据
IT	非结构化的补充数据业务
Unstructured Supplementary Service Data
commun., railw.	非结构化的补充业务数据
railw.	非结构补充业务数据
English thesaurus
Unstructured Supplementary Services Data
abbr., telecom.	USSD (Технология передачи неструктурированных данных в GSM сетях Shmyg)
comp., net., abbr.	USSD
Unstructured Supplementary Service Data
softw., abbr.	USSD