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ڵλãֻѧУ
רҽʹ3Gֻ
2006-03-07 07:26ձߣܽɭ
ĿǰֻǰƳ֧2G3G(ƶͨ)ֻҵʿΪ3Gֻгʱδ죬ȹ㡣

Ŀǰֻ֪̼еıŷ޺պȵأ3Gҵǰõƹ㣬رǽƹWCDMA׼3GֻҲѵ½ҹ۵˽⣬ΪȫֻҵҪصйᰮšŵǵֻͷ3GֻзߣѲܡֻͷǰչ֮ڹڷ3GֻЩֻʱ䣬߲ȴʼջĪ

ںе3GֻĿǰͨˮȵгԱȤȽվW900ΪԱϿ»ۼΪ4680ԪϿ3Gֻۼ۸ǵ10002000Ԫļλ

֡3Gñ2G硱ֻгֻ֣ͷIJDz޳ߴκβֻƷŷ¸߼ߣԹ3GֻгdzעĿǰ3GδͶ3GƷȻʱδŵй˾ܲúԴ͸¶ŵǵǽ3GֻĺĸΪ2GȻйгƳͬܽƵͬ2GƷ

λרұʾû3Gֻʹãʵ㡣ĶӵһĦ3GֻԹ˵Ϊû֧֣ⲿֻƵ绰ԲʹãǮЩԩҵʿΪĿǰ3G׼Դ3GƵָȹδɣų3Gҵ񿪷ź3GֻΪߡĿܡ

3GֻЩ¹ܣ3GĺΪƶͨšĿǰձʹõ2Gֻȣ3Gֻݴõζ3Gҵͨûʹֻͳ绰⣬ܹݴƣϢȫµͨҵҵձΪƵ绰ֻϷտֻƵĿӰƬΪ3GʱߵҪͨ

ĵַ:http://www.cnonline.org/2006/article/8537.html
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