1. A particularly simple network packet capture, sniffer tools can only capture can not be amended to send. 一个特别简单的网络数据包捕获，嗅探工具，只能捕获不能修改发送。
2. In computer networks, a packet switched system at the University of Hawaii which uses radio broadcast techniques. 美国夏威夷大学开发的一种使用无线电广播技术的分组交换计算机网。
3. If the packet decrypts properly and yields the correct server response message, my client program knows that the server that encrypted the packet is the real server. 如果包被正确的解开得到了正确的服务器响应信息，客户端程序就知道了加密包的这个服务器是真的服务器。
英英解释
n.
1. a collection of things wrapped or boxed together
2. (computer science) a message or message fragment
3. a small package or bundle
4. a boat for carrying mail
