 |
| |||
| 超低频的 | |||
| 超低频 | |||
| |||
| 超低频率; 特低频 | |||
| 超低频率 | |||
| 超低频 (300 ~300 赫兹) | |||
| 超低频 (ULF); 超低频 | |||
| |||
| 超低频〔率〕 | |||
| 超低频 | |||
| 特低频; 超低频率 | |||
| English thesaurus | |||
| |||
| ULF (less than 3 Hz) | |||
| ULF | |||
| ultra-low-frequency: 10 phrases in 4 subjects |
| Air defense | 2 |
| Electronics | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Technology | 4 |