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ڵλãֻг
ͨƳ"Ⱥֻ"СͨʷֻЧ
2004-08-27 22:05ߣ
ƶͨ͵ŵСͨ⣬ƶͨûӭѡ񡣼ջϤͨܲԽġȺֻѽԽ׶ΣԤ9µ׽ʽòźš

û

ĿǰGSMCDMAֻСͨͬͨеֻ800ּȺͨڲΪȺֻνּȺһͨŵϵͳûΪ࣬һǹȫ֯ţԼˮ·ҵûҵһҵûͨ

ͨʾּȺ㡰һԶࡱ͡һһͨҵûͨĿǰGSMֻģࡣû˫ֻһͨܣƶԽĵȹܡ

6¿ʼͨҵŽСΧԡͨʾеֻ3ΪֻķIJƷϱֵܾͨʷѱ׼ͽʷСͨӽͨĿǰGSMCDMAֻ൱ݳƣΪּȺһڹ̣˴ֻͨķźɴ1.2

ܲȺ

źźãʷѵͣصĴͨƳĴͨơͨƺԸѼȺֻΪͨҵʿָͨմ״ʣҪǹ˼ͨġã²̤ߺߵĻ

ĿǰùҰ䷢ƶҵյӪ̣Ȼֻƶͨ2ҡôȺֻǷΥߣΪֻּȺҵڵһӹܣּȺ翪չƶҵǷӵƶӪ޹أߺߡͨйظ˶Դ˻ش

ʵ

ֻͨźŵϢӪ̾áΪͨƶΥ֮⣬һƴֵĵȣվҪ޴ͶʣͨԳܣվĿͨЧȻϲȥ

ֲӭȴ˫ͬΪԽңԽʵݡСֻͨ۸սΪֻûᡣ

Ϥ⣬ͨļȺֻҲڽշźšͬʱּͨͨͨȺĿҲڼƻ֮СͨϢǣ伯Ⱥֻ1·źš

ĵַ:http://www.cnonline.org/2004/article/5111.html
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