英语词汇“number portability”的意思、释义、用法解释及翻译-春雷网

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词汇	number portability
释义	Definition of number portability in English: number portability noun Telecommunications A facility which enables customers to transfer from one from one telephone company to another without having to change their telephone number. Origin 1980s; earliest use found in Network World. Definition of number portability in US English: number portability noun Telecommunications A facility which enables customers to transfer from one from one telephone company to another without having to change their telephone number. Origin 1980s; earliest use found in Network World.
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