Trees also serve as soundbarriers when full grown and leafed out.
当树木长大枝叶茂盛时，它们可以起到隔声的作用。
2
Results of the computational research represent the important referential values and practical purpose for structural safety of the soundbarriers for high speed trains.
研究计算结果对于高速列车声屏障结构安全工作具有重要的参考价值和实际意义。
3
Dividing walls: from interior walls to highway soundbarriers, the QuaDrorsystem provides the same tremendous stability as a solid cube, while using only 20% of the volume.