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访问 系统 : 64 phrases in 10 subjects |
| Aviation | 1 |
| Computer networks | 1 |
| Electronics | 41 |
| Information technology | 6 |
| Military | 1 |
| Multimedia | 1 |
| Project management | 1 |
| Space | 1 |
| Technology | 6 |
| Telecommunications | 5 |
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