单词：telecommunication switching system
单词：telecommunication switching system 相关文章
LESSoN EIGHT TEXT Telecommunication via Satellite At the beginning of the twentieth century, there were four powerful means of transmitting and receiving information over long distances: print, photog
自考英语（一）78讲
World Telecommunication Day (WTD) celebrates the advances we have made in how we communicate with each other. It is on May 17 each year because that is the day in 1865 when the International Telegraph Union (ITU) started. The ITU manages how the worl
英语课程学习计划和讲义
补充： CBR continuous bit rate CCIS common-channel interoffice signaling CCITT CCITT is the International Consultative Committee for Telephone and Telegraph, a consultative committee to the Interna
电信英语
DSB Direct Satellite Broadcast 直接卫星广播 DSB Double SideBand 双边带 DSBRC Double SideBand Reduced Carrier 双边带减幅载波 DSBSC Double SideBand Suppressed Carrier 双边带抑制载波
电信英语
A: Hey Jimmy. Let's go workout later today. B: Sure. What time do you want to go? A: How about at 3:30. B: That sounds good. Today we work on Legs and forearm. A: Hey. I just played basketball earlier, so my legs are a little sore. Let's work out on
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XICHANG, May 27 (Xinhua) -- China successfully sent a telecommunication satellite, ChinaSat 2A, into orbit on Saturday evening, using a Long March-3B carrier rocket launched from the southwestern Xichang Satellite Launch Center. The rocket blasted of
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