1) railroad noise
铁路噪声<声>
2) railway noise
铁路噪声
1.
Calculation method of railway noise and prediction of jin-jiu railway noise in Nanchang city;
铁路噪声计算方法及南昌地区京九铁路噪声预测
2.
There is controversy on background noise modification in railway EIA for noise,which has great influence on assessment methods,assessment results and mitigation measures of railway noise.
目前铁路噪声环境影响评价的背景噪声修正方法存有争议,对铁路噪声的评价方法、评价结果和防治措施的确定有很大影响。
3.
The paper introduces the method of railway noise numeration of 《Schall 03》 of Germany.
介绍德国《Schall 03》铁路噪声计算法,并用该法对南昌地区京九铁路噪声进行计算预测。
5) railway noise on the boundary alongside railway line
铁路边界噪声
6) noise and vibration of railway
铁路噪声振动
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