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单词
central office exchange service
释义
central office exchange service
网络
总局交换服务;用户交换机
网络释义
1.
总局交换服务
程式设计语言"_馆档网 ... "总局交换"," central office exchange" "
总局交换服务
","
central office exchange service
" ...
www.guandang.com
2.
用户交换机
? Centrex:集中
用户交换机
(
Central Office Exchange Service
)向上IN 和 AIN:智能网和高级智能网(Intelligent Network an…
www.networkdictionary.net
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更新时间:2025/10/24 8:16:56