然而在您的Flex应用程序中，在send方法后的语句会被马上执行，而不必等待Web服务执行的返回。
In your Flex application, statements that are defined after send immediately executes without waiting for a return from the web service.
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.
通过设置超时时间间隔，可确保挂起的请求根据您指定的时间间隔返回，而不是等待异步通信层超时。
By setting a time-out interval, you can make sure that a pending request returns based on a time interval that you specify, instead of waiting for the asynchronous communication layer to time out.
通过设置超时时间间隔，可确保挂起的请求根据您指定的时间间隔返回，而不是等待异步通信层超时。
By setting a time-out interval, you can make sure that a pending request returns based on a time interval that you specify, instead of waiting for the asynchronous communication layer to time out.
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