| |||
| 调整频率 | |||
|
adjustment frequency : 14 phrases in 9 subjects |
| Air defense | 1 |
| Electric machinery | 2 |
| Electronics | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Piezoelectric crystals | 2 |
| Shipbuilding | 1 |
| Space | 2 |
| Technology | 1 |
| |||
| 调整频率 | |||
|
adjustment frequency : 14 phrases in 9 subjects |
| Air defense | 1 |
| Electric machinery | 2 |
| Electronics | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Piezoelectric crystals | 2 |
| Shipbuilding | 1 |
| Space | 2 |
| Technology | 1 |