 |
| |||
| nízký kmitočet; nízká frekvence | |||
| 英语 词库 | |||
| |||
| l.f. | |||
| The frequency band between 30 and 300 kHz | |||
| |||
| LF | |||
| LF (30-300KHz) | |||
| LF (30 - 300 kHz) | |||
|
low-frequency : 4 短语, 2 学科 |
| 天文学 | 3 |
| 建造 | 1 |
|
| |||
| nízký kmitočet; nízká frekvence | |||
| 英语 词库 | |||
| |||
| l.f. | |||
| The frequency band between 30 and 300 kHz | |||
| |||
| LF | |||
| LF (30-300KHz) | |||
| LF (30 - 300 kHz) | |||
|
low-frequency : 4 短语, 2 学科 |
| 天文学 | 3 |
| 建造 | 1 |