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最 小时 间 : 40 phrases in 13 subjects |
| Automobiles | 1 |
| Aviation | 3 |
| Computers | 1 |
| Earth sciences | 1 |
| Electric machinery | 1 |
| Electronics | 2 |
| General | 2 |
| Geophysics | 3 |
| Information technology | 3 |
| Oil / petroleum | 3 |
| Space | 4 |
| Technology | 13 |
| Telecommunications | 3 |
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