... subpress 半成品压力机 subscriber exchange 用户交换机 subscriber line multiplexer 用户线多路复用器 ...
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subscriber service exchange 用户业务交换机
The purpose of this layer is to define the application layer protocol for the exchange of cellular subscriber information between networks.
这一层的主要用途是为了定义在网络间交换蜂窝网络用户信息的应用层协议。
A subscriber 's line connected to an exchange other than the one that would normally provide service at the relevant address, usually in accordance with the subscriber' s wishes.
一种连接到交换机的客户线路,这种交换机不是通常按照客户希望在相关通信处提供服务的交换机。
Making use of microcomputer techniques, the interface collects information from common control exchange HJ-921 and repeats called subscriber number to rural telephone exchange.
该接口利用微型计算机技术从HJ—921型交换机的公共控制设备采集,并向农村支局自动交换机转发被叫用户号码。
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