“subvoice-grade channel”的概念、定义、翻译、参考文献-科学参考

单词	subvoice-grade channel
释义	subvoice-grade channel [¦sǝb`vȯis ´grād ´chan·ǝl] ^{COMMUNICATIONS} A channel whose bandwidth is smaller than the bandwidth of a voice-grade channel; it is usually a subchannel of a voice-grade line.
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