The digitalization of a HF receiver is an important spot in the current communications research field.

短波接收机的数字化是当前短波通信研究的一个重点。

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Manuel Castells is a sociologist especially associated with information society and communications research.

曼纽尔•卡斯特是一位社会学家，他研究的主要领域是信息社会和传播研究。

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Yang Fan: (1981- ), male, Chongqing, the postgraduate of Chongqing University of Post and Telecommunications, engaged in personal communications research, digital TV.

杨帆：（1981- ），男，籍贯安徽，重庆邮电大学通信与信息系统专业硕士研究生，研究方向：个人通信，数字电视。

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Research in Motion,or RIM, based in Waterloo,Canada, makes BlackBerry communications devices.

VOA: special.2010.08.06

We know now, thanks to the communications research of the last thirty years, what charisma is.

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According to communications research firm Yankee Group, there were 130, 000 VoIP subscribers in the U.S. last year.

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"Even the most conservative antitrust people I know think you need at least three market players to have competition, " says Scott Cleland, an analyst with communications research firm the Precursor Group.

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