| |||
| 环境外部噪声 | |||
| 外界杂音; 外部噪声 | |||
| 外部噪声 | |||
|
external noise : 9 phrases in 6 subjects |
| Aviation | 1 |
| Cables and cable production | 1 |
| Electronics | 2 |
| Nautical | 1 |
| Space | 1 |
| Technology | 3 |
| |||
| 环境外部噪声 | |||
| 外界杂音; 外部噪声 | |||
| 外部噪声 | |||
|
external noise : 9 phrases in 6 subjects |
| Aviation | 1 |
| Cables and cable production | 1 |
| Electronics | 2 |
| Nautical | 1 |
| Space | 1 |
| Technology | 3 |