sound reflecting的用法和样例：
例句
- Then, the sound reflection and absorption characteristics of the micro-perforated structure in the newly-built amphitheatre are investigated.
同时，分析了这种微穿孔吸声反射板结构在阶梯教室中的声反射和声吸收性能。 - 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.
计算结果表明，增加消声橡胶层可以有效的降低多层结构的声反射能力，较好的达到降低目标声反射强度的目的。
