1) noise footprint
噪声印迹<声>
2) noise flight path
噪声航迹
1.
The calculation of noise flight path of civil transport jet aircrafts is an important step in the aircraft noise certification.
噪声是民机型号适航合格取证的一项重要指标,噪声航迹是噪声合格审定的重要环节。
5) Noise
[英][nɔɪz] [美][nɔɪz]
噪声
1.
An analysis on the fan noise pollution in paper mill and its control;
纸厂风机噪声污染分析与控制方法
2.
Transformer substation noise pollution assessment and its control;
变电站环境噪声评价与防治
3.
One approach to reducing noise of automobile rear axle gear assembling;
一种降低汽车后桥装配中齿轮噪声的途径
6) yawp
[英][jɔ:p] [美][jɔp]
噪声
1.
Adopting the Nonsymmetrical Dents of Gear to Reduce the Abnormal Yawp of Gear Pump;
采用非对称齿形减小齿轮泵的异常噪声
补充资料:噪声等效声级(简称LEQ)
噪声等效声级(简称LEQ):是指在规定的时间内,某一连续稳态声的A\[计权\]声压,具有与时变的噪声相同的均方A\[计权\]声压,则这一连续稳态声的声级,就是此时变噪声的等效声级。噪声等效声级(分贝)数值越小越好。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条