backscattering coefficient

例句：

1. 1.The backscattering coefficient of the material is an important factor in determining its strength.
   材料的背散射系数是决定其强度的一个重要因素。
2. 2. The researchers found that the backscattering coefficient of the sample was significantly higher than that of the control group.
   研究人员发现，样本的背散射系数明显高于对照组。
3. 3. The backscattering coefficient is used to measure the amount of light scattered by a material.
   背散射系数用于测量材料散射光的量。