英语词汇“tone dialing”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	tone dialing
释义	WordReference Random House Unabridged Dictionary of American English © 2024 tone′ di′aling, Telecommunicationsa system of calling telephone numbers wherein tones of differing pitch corresponding to the digits in the number called are electronically generated by manipulating pushbuttons (contrasted with pulse dialing). tone′-di′al•ing, adj.
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