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| 曲面模型 | |||
| 表面模型 | |||
| surface model: 23 phrases in 11 subjects |
| Agriculture | 2 |
| Air defense | 1 |
| Aviation | 1 |
| Earth sciences | 2 |
| Ecology | 3 |
| Electronics | 1 |
| Oil / petroleum | 1 |
| Space | 4 |
| Technology | 6 |
| Water resources | 1 |
| Wind Energy | 1 |
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