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two-way alternate
IT	双路交替传输
tech.	双向交换
telecom.	双向交替
two-way alternate mode
el.	双向交替工作模式
two way alternate
IT	双向交替
English thesaurus
Two- Way Alternate
comp., abbr.	TWA
Two-Way Alternate
telecom., abbr.	TWA (HDLC)

Two- Way Alternate : 5 phrases in 2 subjects

Information technology	2
Telecommunications	3