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大振幅 : 32 phrases in 13 subjects |
| Aviation | 2 |
| Bridge construction | 3 |
| Chemistry | 1 |
| Desert science | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Engineering geology | 2 |
| Geophysics | 4 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 13 |
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