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课 题 : 63 phrases in 20 subjects |
| Agriculture | 12 |
| Automobiles | 1 |
| Aviation | 2 |
| Bridge construction | 2 |
| Business | 5 |
| China | 1 |
| Consulting | 1 |
| Economy | 1 |
| Electronics | 4 |
| Engineering geology | 2 |
| Explosives and Explosive Ordnance Disposal | 3 |
| Heavy equipment vehicles | 1 |
| Horticulture | 1 |
| Information technology | 1 |
| Librarianship | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Sports | 1 |
| Technology | 15 |
| Telecommunications | 5 |
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