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单词 data under voice
释义 data under voice
[`dad·ǝ ´ǝn·dǝr `vȯis]
COMMUNICATIONS
A telephone digital data service that allows digital signals to travel on the lower portion of the frequency spectrum of existing microwave radio systems; digital channels initially available handled speeds of 2.4, 4.8, 9.6, and 56 kilobits per second. Abbreviated DUV.
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