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| 磁盘操作系统 | |||
| English thesaurus | |||
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| DOS | |||
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| disk operating system (ssn); disk-oriented operating system (дисковая операционная система ssn) | |||
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Disc Operating System : 8 phrases in 6 subjects |
| Aviation | 1 |
| Electronics | 1 |
| Information technology | 3 |
| Multimedia | 1 |
| Space | 1 |
| Telecommunications | 1 |