| 单词 | echo suppressor |
| 释义 | echo suppressor See digital signal hierarchy for a side-by-side comparison of the North American, European, and Japanese digital hierarchies. See also carrier, channel, companding, digital, DS-0, E-1, E-2, E-3, E-4, E-5, J-carrier, PCM, signaling rate, T-carrier, and TDM. |
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