您的应用程序是不是很空闲，焦虑地等待用户发送请求，然后它传回响应，再返回休眠状态，直到下次调用。

Your application sits idle, anxiously waiting for the user to send in a request. It passes back the response and then goes back to sleep until the next call.

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同步——使用者通过单个线程调用服务；该线程发送请求，在服务运行时阻塞，并且等待响应。

Synchronous – The consumer uses a single thread to invoke the service; the thread sends the request, blocks while the service is running, and waits for the response.

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该超时时长是发送一个搜索请求的客户端等待响应直到超时前的最大时间。

This timeout value is the maximum amount of time that the client that sends a search request can wait for a response before timing out.

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