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振动特性 : 16 phrases in 10 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Chemistry | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Nautical | 1 |
| Technology | 7 |
| Wind Energy | 1 |
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