英语词汇“magnetic card file”的读音、翻译、释义、用法及例句-语文网

词汇	magnetic card file
释义	magnetic card file 磁性卡片档案直接存取的存储器，其中数据单元存放在磁性卡片上；这些卡片放入一个或多个盒内，选址後便从盒内取出，高速通过读写磁头。
随便看	secondary color secondary console secondary control point secondary credit secondary data secondary data secondary data set group secondary destination secondary device secondary distribution secondary education secondary emission secondary entry point secondary file secondary function secondary half-session secondary index secondary industry secondary key secondary key encrypting keys secondary key field secondary logical unit secondary logical unit key secondary market secondary memories

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