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标号 组 : 15 phrases in 10 subjects |
| Advertising | 1 |
| Architecture | 1 |
| Business | 1 |
| Economy | 1 |
| Electric machinery | 1 |
| Geophysics | 1 |
| Hydroelectric power stations | 1 |
| Information technology | 1 |
| Technology | 5 |
| Telecommunications | 2 |
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