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Go-back-N（回退 N）

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停止等待

运输协议数据单元

Which one is correct?Please make your judgement from the following stress patterns.

A. Give a man a fish.
B. Give a man a fish.

Which one is correct?Please make your judgement from the following stress patterns.

A. in the past 25 years
B. in the past 25 years