板厚或肋骨惯性矩的变化会引起结构传声损失曲线上隔声低谷位置的变化；
The position of minimum values on the sound transmission loss curve varies with the changes made on plate thickness and the moment of inertia of stiffeners.
道路规划设计中充分考虑噪声扰民问题，在必要路段建设隔声屏障、降噪结构和低噪路面。
The motorway planning will give full consideration of traffic noise, at the proper sections, noise-deafening wall, noise-deafening structure and low-noise road surface will be adopted.
本文提出了小试件轻结构隔声测量的一种新方法。
In this paper, a new method is proposed for the measurements of sound insulation of light structures using small samples.
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