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DCC Data Country Code 数据国家号码(3位) DCC Digital Cross Connect 数字交叉连接 DCCE Digital Cell Center Exchange 数字小区中心交换机 DCCH Dedicated Control CHannel 专用控制信道
By Paul Sisco Washington 06 December 2007 When disaster strikes and humanitarian assistance is needed, a rapid, low cost response often is critical. As VOA's Paul Sisco tells us in today's Searching for Solutions report, a voluntary research and supp
This is the VOA Special English Agriculture Report. When is a plant considered a weed? Experts at Penn State University have a simple answer: When the undesirable qualities outweigh the good qualities. Consider that crops generally produce several hu
Space shuttle Discovery is preparing to launch on a mission to deliver new supplies and science equipment to the International Space Station. Birds fly past space shuttle Discovery at the Kennedy Space Center in Cape Canaveral, Fla., 24 Aug 2009 The
RIO DE JANEIRO, Aug. 15 (Xinhua) -- The Brazilian government will spend 1.17 billion reais (579 million U.S. dollars) on the security of the FIFA World Cup 2014, state news agency Agencia Brasil said Wednesday. Agencia Brasil said that three quarters