 |
| |||
| alphabetic telegraphy; character telegraphy | |||
| alphabet; data alphabet; telegraph alphabet | |||
| alfabeto telegrafico: 8 短语, 2 学科 |
| 电报 | 6 |
| 通讯 | 2 |
|
| |||
| alphabetic telegraphy; character telegraphy | |||
| alphabet; data alphabet; telegraph alphabet | |||
| alfabeto telegrafico: 8 短语, 2 学科 |
| 电报 | 6 |
| 通讯 | 2 |