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| 交 换 控制: 90 phrases in 13 subjects |
| Air defense | 1 |
| Aviation | 6 |
| Business | 2 |
| Computer networks | 5 |
| Computers | 1 |
| Electronics | 39 |
| Geophysics | 1 |
| Information technology | 8 |
| International trade | 1 |
| Microelectronics | 1 |
| Space | 4 |
| Technology | 9 |
| Telecommunications | 12 |
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