宾馆视频点播系统的内置接入盒是客户与服务中心打交道的代理人。
The inner connective box of hotel's VOD system is an agent to help people talk with the service center.
这些用户通常是私有IP网络环境中，客户端计算机已通过电子邮件和HTTP代理服务器直接接入公共互联网。
These users are typically on private IP networks where the client machines have indirectaccess to the public Internet via email and HTTP Proxies.
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