noise reduction
| technique
| noise reduction | |
| avia. | 噪声消减 |
| ecol. од. | 噪声降低 |
| met. | 减声 |
| tech. | 减噪; 消音量; 噪声减低; 噪声控制; 噪声减少 |
| technique | |
| exhib. | 技法 |
| gymn. | 手法; 操作法 |
| hydroel.st. | 技能; 工艺; 工程 |
| manag. | 方法论 |
| met. | 方法 |
| sport. | 技巧 |
| tech. | 技术 |
| |||
| 减噪; 静噪 | |||
| 噪声消减 | |||
| ★ 噪声降低 | |||
| ★ 噪声抑制 | |||
| 减声 | |||
| 减噪 (声); 消音量; 噪声减低; 噪声控制; 噪声减少; 降噪 (量); 降低噪声 | |||
| 消声; 声衰减; 降噪 | |||
| |||
| 降噪 (以任何方式降低噪音的声压水平或者衰减有害的声音。) | |||
| |||
| 降低噪声按钮 | |||
|
noise reduction : 50 phrases in 18 subjects |