Essentially, ping sends an echo packet to the device, and expects the device to echo the packet contents back.

简单地说，ping向设备发送一个echo数据包，期望设备把数据包的内容发送回来。

youdao

Each node in the cluster has a custom netmon.cf file that lists all the IP addresses it must be able to ping for it to mark an interface up or down.

集群中的每个节点有一个定制的netmon . cf文件，其中列出一些IP地址，为了判断一个接口是打开的还是关闭的，它必须能够ping通这些地址。

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Would you consider ping-pong an outdoor sport?

你认为乒乓球是一项户外运动吗？

youdao

It was an electronic form of ping-pong or table tennis that was easy enough for anyone to play.

VOA: special.2011.02.23

And again, you don't teach an animal to play Ping-Pong by waiting for it to play Ping-Pong and then rewarding it.

同样，你并不能通过等待动物打乒乓球,然后给其奖励,来使动物学会打乒乓球。

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Stackhouse also likes the TopSpin concept because he is an avid ping-pong player.

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Ho Fung-ping is an example.

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Ping An, the second-biggest life firm, has a 28% share.

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