background reflection的用法和樣例：
例句
- Its specula reflection weakened while scattering reflection reinforced.
此時其鏡面反射能力減弱，漫反射能力增強。 - 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效的降低多層結構的聲反射能力，較好的達到降低目標聲反射強度的目的。
