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| wobble frequency | |||
| swept frequency | |||
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摇频 : 19 phrases in 8 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Construction | 1 |
| Nautical | 7 |
| Oil / petroleum | 1 |
| Shipbuilding | 2 |
| Space | 2 |
| Technology | 4 |
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