background reflection的用法和样例：
例句
- Its specula reflection weakened while scattering reflection reinforced.
此时其镜面反射能力减弱，漫反射能力增强。 - 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。
