覆盖系数 meaning in English

cover factor
coverage factor

Brush covering factor
电刷覆盖系数
The theoretical analysis indicates that the main factors of cover - shelter properties of fabrics are cover factor of fabrics , fabric thicknesss , optical reflectance and absorbance of yarn . with a combination of distances and luminaces , 512 experiments were made to find out the relationship between the least distinguishable distance and reflectance coefficient
通过理论分析,指出了影响织物能见度的主要因素有织物覆盖系数、织物厚度、纱线的光学反射率和吸收率.将测试距离跟织物前与织物后目标物的照度组合成512项实验,由此获得最小分辨距离和反射系数间的关系