NASA is exploring another noise-reducing technology - this one for helicopters - that is going through a process of discovery similar to that for the chevron.
NASA正在探索另一项减噪技术——用于直升机——该技术正在经由类似于chevrons的过程以期揭晓。
For reducing noise pollution, we adopted a new technology of perforated aluminium panel sound-absorbent wall with centrifugally glass-wool inside for a certain office building complex project.
在某综合办公楼工程中，为减少噪声污染，我们采用了穿孔铝板、内填离心玻璃隔音棉的吸音墙面的新技术。
The reasons of rolling bearing producing vibration and noise were analyzed, the technology measures of reducing vibration and noise were introduced.
分析了滚动轴承产生振动和噪声的原因，介绍了减振降噪的的工艺措施。
The circuits structure in reducing device noise and the essentials of fabrication technology are also discussed.
讨论了降低器件噪声的电路结构及工艺设计要点。
This paper mainly researches the construction technology, skid-resistance performance and noise-reducing performance of the exposed aggregate cement concrete pavement.
本论文主要研究具有抗滑低噪声特性的露石水泥混凝土路面的施工工艺及其抗滑性能和降噪性能。
This paper mainly researches the construction technology, skid-resistance performance and noise-reducing performance of the exposed aggregate cement concrete pavement.
本论文主要研究具有抗滑低噪声特性的露石水泥混凝土路面的施工工艺及其抗滑性能和降噪性能。
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