йͨ±ʶΪ3G
2006-03-28 11:59йֻԭ
죬ͨ±ʶʽȫã°ıʶġChina Unicomĸй֣ͨʽҲйɫΪйˮīڡУֲֲˮīڵɫChina Unicomеiȡʽ ͨԴ˽ǣ˵ĺɫҵǿҵӾУʱСµƷƶλǺϣˮī߰ɫɫͺɫĴкгȶӾС
Ӹñʶ˵ͼԿͨµԢǿƷͷ˵Ϊ3Gɫϣ˹ȥڻɫͨŻɫȫйĺɫͬʱഺ뼤顣״ӡ봫ͳ߹ɫҲǶͳϣֳ3GҵµƷƶλƷԢ⽫һζͨӹȥƶĸߺƷṩȫı
ĿǰйӪҵйͨҵɫΪɫжӪвúɫɫɫ˴ͨĴʶij̶ֳҲԿʾнӹбڹͳӪҵ
ͨϷϴ仯Ϣʾִͨж¼渱ܲ¬ʼҶƽִж衢ִжϽ˴Σͬʱλ߲СΰïաžΪ¶¡
˼ΪͨδгλԽ3GӪϴı䡣ڴǰϢ۵۵ѶӪ3GҵʵӮͬʱԤڸɱĴ½2008൱ëʡǰͨӪ2.5GCDMAʱһζԼ۸ȡƶ߶GSMͻCDMAǡͶͨŷΰͨʶͨƷҲȫչ
ĵַ:http://www.cnonline.org/2006/article/8658.html