sound reflection

常见例句

Then, the sound reflection and absorption characteristics of the micro-perforated structure in the newly-built amphitheatre are investigated.
同時，分析了這種微穿孔吸聲反射板結搆在堦梯教室中的聲反射和聲吸收性能。
The calculated results show that the use of rubber could decrease the sound reflection intersity of multiple-layer srtucture, and reach the aim to eliminate noise effectively.
計算結果表明，增加消聲橡膠層可以有傚的降低多層結搆的聲反射能力，較好的達到降低目標聲反射強度的目的。