surface band

例句：

1. 1. The rock is covered with a layerof fine sand, which is typical ofthe surface banding in this region.
   这块岩石覆盖着一层细沙，这是该地区典型的表面带状物。
2. 2. The mineral deposithas been found to have a surface banding pattern that can be used to predictits potential yield.
   这种矿物矿床被发现具有一种表面带状模式，可以用来预测其潜在产量。
3. 3. The surface banding onthe rock indicates that it was formed underhigh pressure and temperature conditions.
   岩石表面的带状表明它是在高压和高温条件下形成的。