Not only are new hard drives cheap, capacious, physically smaller and increasingly reliable, but they operate much faster and offer online storage at off-line prices and with no waiting.

不仅新的硬盘机便宜，容量大，物理体积小，更可靠，而且它们运行的速度快得多，以离线的价格和无需等待时间提供在线存储。

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These include on-line, off-line or near-line storage, required throughput rate, maximum allowed bit error rate, or special handling or backup procedures.

这些服务或措施包括在线、离线或联网存储，要求的吞吐率、允许的最大误码率以及特殊处理或备份程序。

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Tcp-based services to end - client communications, the server forwards the information to achieve, storage information, tips and other functions on the line off the assembly line.

基于tcp的服务端-客户端通信，服务端实现转发信息，存储信息，上线下线提示等功能。

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