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| degree-hour | |||
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度-小时 : 28 phrases in 12 subjects |
| Agriculture | 2 |
| Architecture | 1 |
| Aviation | 4 |
| Business | 1 |
| Earth sciences | 5 |
| Electronics | 1 |
| General | 4 |
| Oil processing plants | 2 |
| Refrigeration | 1 |
| Space | 1 |
| Technology | 5 |
| Wind Energy | 1 |
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