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中国电信运营商CAPEX年度综合分析2007

焦点专题分析 6894 2007-04-03 2890
Metric Definition GSM, GPRS and EDGE Global standard for mobile communications is a second-generation (2G) wireless/mobile technology that dominates the European market and has gained significant penetration in Asia-Pacific and momentum in the Americas. GPRS is a dedicated data technology that is overlaid