You saw the famous caly soldiers, i'm sure

你肯定看到兵马俑了吧！

The viscous force caused by fine caly particles and the reduced dispersive force are linearly addible.

分析试验资料结果表明:由细的粘土颗粒引起的粘性力与由粗颗粒引起的离散力是可以线性叠加的.