Civil aviation noise-reduction with economic reality.
民航降低噪音与经济现实。
According to successful cases, we put forward a effective method of noise-reduction.
结合成功案例，对现有作业现场提出有效降噪治理方法。
That's some serious noise reduction!
那是非常重要的冗余减少！
If noise reduction is enabled, an information bar will display in the report.
如果启用降噪，会在报告中显示一个信息栏。
Aircraft ground support equipment - General requirements - Part 4: noise measurement methods and reduction.
飞行器地面支持设备。一般要求。第4部分：噪声测量方法和噪声降低。
Cast hopper. The double layer design, noise reduction;
投料斗双层设计，减少噪音；
Noise reduction type: can effectively reduce the noise.
降噪型：能有效降低噪声。
Simple anechoic chamber was used for noise reduction.
根据降噪量要求对设备间采用简易消声室设计。
Performance is about 75% reduction in noise perception!
降噪功效大约是减少感知噪音75% ！
Experimental results show that the noise reduction effect is remarkable.
性能测试表明，降噪效果显著。
Crushing chamber with circulating water temperature control and noise reduction.
粉碎室采用循环水控温与降噪。
The image noise reduction technology belongs to image recovery technology.
图像降噪技术属于图像复原技术。
Building outer wall high temperature fire protection, sound-insulated noise reduction.
建筑物外墙高温防火、隔音降噪。
Building outer wall high temperature fire protection, sound-insulated noise reduction.
建筑物外墙高温防火、隔音降噪。
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