语音与数据通信手册(英文版),R.Bates D.Gregory,世界图书出版公司
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Voiceand Data Communications Handbook
Information containde in this work has been obtained by The McGraw-Hill Companies,Inc from sources believed to be reliable,However,neither McGraw-Hill nor tits authors guarantees the accuracy or completeness of any information published herein and neither McGraw-Hill nor its authors shall be responsible for any errors.
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