该方案为切换呼叫提供了保留信道，降低了切换呼叫的阻塞概率。

The scheme provided reserved channel for handover call to reduce blocking probability of handoff call.

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然后，它将替代缓冲加入至回应，其中保留委派，以针对后续要求呼叫。

Then, it adds a substitution buffer to the response, which retains the delegate to call on future requests.

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但是，如果该程序呼叫其他程序，区域变数在受呼叫程序执行时将保留它们的值。

However, if that procedure calls other procedures, the local variables retain their values while the called procedures are running.

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