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生成 模式 : 21 phrases in 11 subjects |
| Aviation | 1 |
| Cryptography | 1 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 3 |
| Information technology | 2 |
| Oil / petroleum | 1 |
| Radio | 1 |
| Space | 2 |
| Technology | 5 |
| Telecommunications | 3 |
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