单词：wireless number portability
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IPVersion 6, or IPv6 for short, is a new version of the Internet Protocoldesigned to replace IPv4, the Internet Protocol that is predominantly deployedand extensively used throughout the world. Although the exhaustion of availableIPv4 address space h
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Loop Length Typically, loop length is a complete electrical circuit; the pair of wires that winds its way from the central office to the telephone set or system at the customer's premises. Loop Signal
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Jess: Right, Tom, tell me, what three things could you not live without? Tom: Well, I guess you say me playing with my new toy just now. It's my iPod touch and it is fantastic. I often take long bus journeys at the weekend and on this little electron
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