dual-density
| floppy disk controller
| dual density | |
| IT | 倍密度 |
| tech. | 双重记录密度 |
| floppy disk controller | |
| el. | 软盘控制器 |
| |||
| 倍密度 | |||
| 双重记录密度 | |||
| 双密度 | |||
|
dual-density : 10 phrases in 8 subjects |
| Automobiles | 2 |
| Aviation | 1 |
| Computers | 1 |
| Electronics | 1 |
| Geophysics | 1 |
| Oil / petroleum | 2 |
| Technology | 1 |
| United States | 1 |