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˵Ϲġʵˡ(ITU)̨1920ʱ1971˳Ϲ½ȡ֮Ҫ̨ĵ绰ơ漰ʶλǣ漫ȫҪǶʱɡԼͼʻԱͨδȡþӪɵƽ̨ṩӪ˷
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1985.01ʡίʡҵЭḱ᳤鳤,йܾ浳֧,ʡ귢չ鳤ϣ̰(:1995.09-1998.07ʡίУְоྭùרҵѧϰ)䶭³´ᵽкҵԸʸ־Ƶ廯ڡսĿҪŬʵй³̬²תҪȫͬйͬչȫи֯Ҫһվλǿεʵǿ罨ԾᶨӹɢͻץοʵȡʵЧٴγɺץ罨ǿ̬Ҫͬ־Ҫеһ˵ҪɼñҪܺðöֹٴηԱɲת