This paper describes the formation and characters of the addressing and charging system and discusses the operation of multiplex branch charging switches.
叙述了可寻址收费系统的构成、特点，可寻址多路分支器的工作原理及单、双向传输问题。
A social intercourse is a big branch of speech action study of appellation or addressing and it is a conveying and succeeding symbolic system established by usage.
社交称谓是称谓或称呼言语行为研究中一个大的分支，是一种约定速成的传承性符号系统。
A social intercourse is a big branch of speech action study of appellation or addressing and it is a conveying and succeeding symbolic system established by usage.
社交称谓是称谓或称呼言语行为研究中一个大的分支，是一种约定速成的传承性符号系统。
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