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单词 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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更新时间:2025/7/4 17:20:57