 |
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| 噪声波频率 | |||
| 噪声频率 | |||
| English thesaurus | |||
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| NF | |||
| noise frequency: 52 phrases in 13 subjects |
| Air defense | 10 |
| Aviation | 2 |
| Earth sciences | 2 |
| Electric machinery | 1 |
| Electronics | 10 |
| General | 1 |
| Geophysics | 1 |
| Information technology | 1 |
| Oil / petroleum | 1 |
| Otorhinolaryngology | 1 |
| Rail transport | 1 |
| Space | 4 |
| Technology | 17 |