 |
| |||
| 解码频率 | |||
|
coding frequency : 15 phrases in 7 subjects |
| Air defense | 3 |
| Communications | 2 |
| Electronics | 2 |
| Information technology | 1 |
| Rail transport | 1 |
| Technology | 4 |
| Telecommunications | 2 |
|
| |||
| 解码频率 | |||
|
coding frequency : 15 phrases in 7 subjects |
| Air defense | 3 |
| Communications | 2 |
| Electronics | 2 |
| Information technology | 1 |
| Rail transport | 1 |
| Technology | 4 |
| Telecommunications | 2 |