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传递 网 : 17 phrases in 10 subjects |
| Aviation | 2 |
| Business | 1 |
| Communications | 1 |
| Computer networks | 2 |
| Earth sciences | 1 |
| Information technology | 4 |
| Multimedia | 1 |
| Securities | 1 |
| Space | 2 |
| Technology | 2 |
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