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辆/时 : 40 phrases in 10 subjects |
| Architecture | 1 |
| Automobiles | 10 |
| Aviation | 1 |
| Business | 1 |
| Communications | 1 |
| General | 7 |
| Project management | 1 |
| Rail transport | 3 |
| Technology | 14 |
| United Nations | 1 |
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