在Web上，为了发现对应用程序状态的修改，浏览器必须重新查询服务器。

On the Web, the browser has to re-query the server to discover modification to the state of the application.

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您也可以远程进行这些查询；例如，您可以从不同的机器上查询服务器(运行ConTest)的状态。

You can also do these queries remotely; for example, you can query the state of a server (running with ConTest) from a different machine.

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要查询服务器的运行状态，可以键入下面的命令。

To query the server's operational status, type.

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