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| two-dimensional model | |||
| areal model | |||
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平面模型 : 14 phrases in 8 subjects |
| Aviation | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Information technology | 1 |
| Oil / petroleum | 2 |
| Space | 1 |
| Technology | 6 |
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