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001 9910648569103321
005 20231122213020.0
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311 08$a1000-0801 
606   $aTelecommunication$vPeriodicals
606   $aCommunication$vPeriodicals
606   $aInformation science$vPeriodicals
606   $aDigital communications$vPeriodicals
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676   $a521.382
712 02$aZhongguo tong xin xue hui.
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