Echo Reply 回波应答 ; 回声应答 ; 回送应答
ICMP Echo Reply 应答 ; 回送响应 ; ICMP回显应答
Echo & Echo Reply 回送请求与应答
echo reply message 回应答覆讯息 ; 回应答复讯息
Echo-request and echo-reply message format 回送请求和回送回答报文格式
Echo request and reply 回显请求和应答
Echo request or reply 回应请求和应答
If no echo reply is received, then one or more of the conditions described above hasn't been met and the ping fails (see Listing 2).
如果没有收到回显回复，就说明不满足上述一个或多个条件，ping失败了(见清单2)。
The output from a successful ping can also be useful in helping to determine network latency, as it reports on the time taken to receive the echo reply.
成功的ping的输出还有助于判断网络延迟，因为它会报告收到回显回复花费的时间。
The echo process will consist of two primitive tasks — receiving a message via the receive activity and replying to the sender via a reply activity.
回送流程将包括两个基本任务—通过receive活动接收一条消息以及通过reply活动向发送方作出应答。
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