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冲激波 : 21 phrases in 10 subjects |
| Artificial intelligence | 1 |
| Aviation | 1 |
| Chemistry | 1 |
| Electronics | 3 |
| General | 1 |
| Information technology | 3 |
| Physics | 1 |
| Space | 3 |
| Sports | 1 |
| Technology | 6 |
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