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| 数字基准 | |||
| digital reference: 27 phrases in 8 subjects |
| Automobiles | 1 |
| Aviation | 3 |
| Computer networks | 1 |
| Electronics | 9 |
| Information technology | 2 |
| Librarianship | 3 |
| Space | 5 |
| Telecommunications | 3 |
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