extremely-low frequency
| wave
| extremely low frequency | |
| avia. | 甚低频 |
| el. | 极低频 |
| expl. | 极低频率、特低频率 |
| IT | 极低频 |
| space | 极低频 |
| tech. | 极低频 |
| wave | |
| gen. | 浪; 对...挥 |
| bridg.constr. | 浪潮 |
| hydroel.st. | 波动 |
| hydroel.st. од. | 波浪; 波 |
| met. | 振动; 起伏 |
| oil | 载波 |
| radio.amat. | 波 |
| |||
| 甚低频 | |||
| 极低频300Hz ~ 3kHz | |||
| 极低频率、特低频率 | |||
| 极低频 | |||
| 极低频 (30 ~300 Hz) | |||
| 极低频率 | |||
| 极低频＜ 300Hz; 极低频< 300Hz | |||
| English thesaurus | |||
| |||
| ELF (3 Hz - 3 kHz) | |||
| ELF | |||
|
extremely-low frequency : 11 phrases in 6 subjects |
| Air defense | 2 |
| Aviation | 2 |
| Electronics | 2 |
| Information technology | 2 |
| Space | 2 |
| Technology | 1 |