网络协议和网络编程是计算机科学领域中非常重要的部分，它们为电子设备之间的通信提供了基础。网络协议定义了数据如何在不同的计算机系统之间传输，而网络编程则允许我们创建和管理这些通信。以下是关于网络协议和网
P.O. Box is an abbreviation for Post Office Box. It refers to a numbered box located within a post office that individuals and businesses can rent to receive their mail. This allows for a separate mailing address that is not directly tied to a physical location.
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