“dial-up telephone system”的概念、定义、翻译、参考文献-科学参考

单词	dial-up telephone system
释义	dial-up telephone system [¦dīl ´ǝp `tel·ǝ´fōn ´sis·tǝm] ^{COMMUNICATIONS} The switched telephone network that is regulated by national governments; operated in the United States by various common carriers.
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