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动力学实验 : 43 phrases in 12 subjects |
| Automobiles | 1 |
| Aviation | 10 |
| Drilling | 1 |
| Earth sciences | 7 |
| Electronics | 3 |
| General | 3 |
| Geophysics | 1 |
| Navigation | 2 |
| Nuclear physics | 1 |
| Space | 9 |
| United States | 3 |
| Wind Energy | 2 |
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