报纸可以被理解为某种公共载体，就像铁路和邮局一样。
The newspaper may be conceived as a sort of common carrier, like the railway or the post office.
在通信技术中，通过公共载体将电路的输出部分返回到电路的输入部分的一种连接。
In communications, the connection, by a common carrier, of the output portion of a circuit back to the input portion of a circuit.
在通信技术中，通过公共载体将电路的输出部分返回到电路的输入部分的一种连接。
In communications, the connection, by a common carrier, of the output portion of a circuit back to the input portion of a circuit.
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