双密度的英文

dd dual density

density, double (dd)

double density，dd

dual density

• 双:    two; twin; both; d ...
• 密度:    density; thickness
• 双密度编码:    double density enc ...

例句与用法

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1. Lightweight dual density rubber sole
   轻质双密度橡胶靴底
2. Dual density rubber sole technology
   双密度橡胶靴底技术
3. Double - dense recording
   双密度录写
4. , 2200bpi , 200tpi unrecorded single - disk , double - density cartridge front loading , 2200 bpi , 200 tpi , general , physical and magnetic requirements
   未记录的单片双密度盒式磁盘
5. The number of units of useful information contained within a linear dimension , usually expressed in units per inch
   在一单位长度内包含的有用信息单位数。通常用每英寸多少单位表示。换句话说，是双密度不是双层。