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价格性能 : 25 phrases in 13 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Aviation | 3 |
| Business | 1 |
| Commerce | 1 |
| Electronics | 6 |
| Information technology | 1 |
| Metallurgy | 1 |
| Project management | 1 |
| Space | 1 |
| Technology | 2 |
| Telecommunications | 5 |
| Textile industry | 1 |
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