一块面包，一个地球仪，一个塑料骨架和一个汉堡包，还有什么邮局不能寄送的东西么？

A loaf of bread, a terrestrial globe, a plastic skeleton and a hamburger. Is there anything you can't send by mail?

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例如，投影仪上的电灯泡坏了（而你又没有带备用的），或者你的公文包落在机场了。

What if your projector blew a light bulb (and you forgot to bring a spare) or your briefcase was lost at the airport?

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协议分析仪：选择集成的协议查看器，可快速、深入地了解协议层和物理层之间的数据包和时间关系。

Integrated protocol analyzer: protocol viewer, can quickly and thoroughly understand the relationship between the protocol layer and the physical layer data packets and time.

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