The further off this solid obstruction, the longer time will elapse for the return of the echo.

固体障碍物越远，回声返回所用时间就越长。

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During the process, ping can monitor the time it takes to send and receive the response, which can be an effective method of measuring the response time of the echo process.

在这个过程中，ping可以监视发送数据包和接收响应花费的时间，这是测量echo过程的响应时间的有效方法。

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The response time of this echo service is 0.11.

此 echo 服务的响应时间为 0.11。

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Black churchgoers, of course, often do the same thing at Sunday-morning services, and I suspect that the amenlike responses of black theatergoers are a not-so-distant echo of that old-time religion.

WSJ: Theatergoers: Can I Get an Amen? | Sightings by Terry Teachout

First-time buyers are circling east LA neighbourhoods like Boyle Heights, Echo Park and the unincorporated parts of East Los Angeles, according to Smith.

BBC: Living in: Los Angeles