 |
| |||
| 时间调制的 | |||
|
time-modulated : 8 phrases in 5 subjects |
| Air defense | 1 |
| Astronomy | 2 |
| Electronics | 1 |
| Oil / petroleum | 1 |
| Technology | 3 |
|
| |||
| 时间调制的 | |||
|
time-modulated : 8 phrases in 5 subjects |
| Air defense | 1 |
| Astronomy | 2 |
| Electronics | 1 |
| Oil / petroleum | 1 |
| Technology | 3 |