double-density disk 中文意思是什麼
double-density disk
解釋
雙密度磁碟-
, 2200bpi, 200tpi unrecorded single - disk, double - density cartridge front loading, 2200 bpi, 200 tpi, general, physical and magnetic requirements
未記錄的單片雙密度盒式磁盤
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