在回送模式中，驱动器输出在内部与接收器输入相连，建立一个内部信号通路以方便诊断测试。
While in loopback mode, driver outputs are internally connected to receiver inputs creating an internal signal path convenient for diagnostic testing.
包因特网查询工具用于通过发送一个Internet控制消息协议回送请求并等待应答来测试一个特定网络目的地是否联机的一种程序。
Packet Internet Groper a program used to test whether a particular network destination is online, by sending an Internet control message protocol echo request and waiting for a response.
包因特网查询工具用于通过发送一个Internet控制消息协议回送请求并等待应答来测试一个特定网络目的地是否联机的一种程序。
Packet Internet Groper a program used to test whether a particular network destination is online, by sending an Internet control message protocol echo request and waiting for a response.
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