 |
| |||
| högsta användbara frekvens | |||
| 英语 词库 | |||
| |||
| MUF (max freq during sunspot activity) | |||
| muf | |||
| |||
| MUF | |||
|
maximum usable frequency : 3 短语, 1 学科 |
| 电子产品 | 3 |
|
| |||
| högsta användbara frekvens | |||
| 英语 词库 | |||
| |||
| MUF (max freq during sunspot activity) | |||
| muf | |||
| |||
| MUF | |||
|
maximum usable frequency : 3 短语, 1 学科 |
| 电子产品 | 3 |