| |||
| 噪音分析器 | |||
| 噪声分析器 | |||
|
noise analyzer : 10 phrases in 6 subjects |
| Air defense | 1 |
| Electronics | 4 |
| General | 1 |
| Nautical | 1 |
| Space | 1 |
| Technology | 2 |
| |||
| 噪音分析器 | |||
| 噪声分析器 | |||
|
noise analyzer : 10 phrases in 6 subjects |
| Air defense | 1 |
| Electronics | 4 |
| General | 1 |
| Nautical | 1 |
| Space | 1 |
| Technology | 2 |