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压 缩视频 : 24 phrases in 11 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Aviation | 3 |
| Electronics | 4 |
| Hydroelectric power stations | 1 |
| Information technology | 3 |
| Librarianship | 1 |
| Multimedia | 2 |
| Project management | 2 |
| Space | 4 |
| Telecommunications | 2 |
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