“交换”(switching)的含义即是转接——把一条电话线转接到另一条电话线，使它们连通起来。按传输信号分：模拟交换和数字交换按接续控制方法分：布控交换和程控交换按传输信道的占有方法分：电路交换和分组交换按传输带宽分配方法分：窄带交换和宽带交换

(The meaning of "switching" is to transfer - to transfer one telephone line to another, so that they are connected. According to the transmission signal: analog switching and digital switching According to the connection control method: distribution control switching and program-controlled switching According to the occupation method of the transmission channel: circuit switching and packet switching)

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“交换”(switching)的含义即是转接——把一条电话线转接到另一条电话线，使它们连通起来。按传输信号分：模拟交换和数字交换按接续控制方法分：布控交换和程控交换按传输信道的占有方法分：电路交换和分组交换按传输带宽分配方法分：窄带交换和宽带交换

(The meaning of "switching" is to transfer - to transfer one telephone line to another, so that they are connected. According to the transmission signal: analog switching and digital switching According to the connection control method: distribution control switching and program-controlled switching According to the occupation method of the transmission channel: circuit switching and packet switching)

[下载]14400708762.rar

2022-8-20 14:40 上传

文件大小: 415 KB
下载次数: 0